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Precalculus, 5th Edition Test Bank

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    Ch. 0 Chapter P: Prerequisites: Fundamental Concepts of Algebra 0.1 Algebraic Expressions, Mathematical Models, and Real Numbers 1 Evaluate Algebraic Expressions MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Evaluate the algebraic expression for the given value or values of the variable(s). 1) 8x + 3; x = 2 A) 19 B) 32 C) 11 D) 13 2) 3x + 6; x = - 3 A) - 3 B) 15 C) - 15 D) 3 3) 2(x + 3) + 17; x = - 11 A) 1 B) - 1 C) 55 D) - 21 4) 4x2 + 8y; x = 7 and y = 9 A) 268 B) 856 C) 2052 D) 380 5) (x + 4y)2; x = 2 and y = 2 A) 100 B) 10 C) 20 D) 36 6) 6 + 5(x - 2)3; x = 4 A) 46 B) 16 C) 88 D) - 34 7) x2 - 3(x - y); x = 8 and y = 2 A) 46 B) 38 C) 42 D) - 82 8) 7(x + 1) 2x + 4 ; x = 5 A) 3 B) 2 C) 6 D) 7 2 9) y - 2x 3x + xy ; x = - 4 and y = 1 A) - 9 16 B) 7 16 C) 7 8 D) - 1 16 2 Use Mathematical Models MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Solve. 1) The formula C = 5 9 (F - 32) expresses the relationship between Fahrenheit temperature, F, and Celsius temperature, C. Use the formula to convert 86°F to its equivalent temperature on the Celsius scale. A) 30°C B) 6°C C) 66°C D) 97°C Page 1

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    2) A stone is dropped from a tower that is 740 feet high. The formula h = 740 - 16t2 describes the stone ʹ s height above the ground, h, in feet, t seconds after it was dropped. What is the stone ʹ s height 5 seconds after it is released? A) 340 ft B) 350 ft C) 315 ft D) 365 ft 3) If a rock falls from a height of 70 meters above the ground, the height H (in meters) after x seconds can be approximated using the formula H = 70 - 4.9x2. What is the height of the rock after 3 seconds? A) 25.9 m B) 585.9 m C) - 146.09 m D) 55.3 m 4) As the relative humidity increases, the temperature seems higher than it is. The formula T = 0.101x + 82.57 approximates the apparent temperature for an actual temperature of 90°F, where x is the relative humidity. What is the apparent temperature (to the nearest degree) for a relative humidity of 80%? A) 91°F B) 667°F C) 163°F D) 83°F 5) The winning times (in seconds) in a speed - skating event for men can be represented by the formula T = 46.97 - 0.099x, where x represents the year, with x = 0 corresponding to 1920. (For example in 1992, x would be 1992 - 1920 = 72.) According to the formula, what was the winning time in 1997? Round to the nearest hundredth. A) 39.35 sec B) 3609.07 sec C) 40.34 sec D) 41.33 sec 6) It is estimated that y, the number of items of a particular commodity (in millions) sold in the United States in year x, where x represents the number of years since 1990, is given by the formula y = 1.23x + 4.5. That is, x = 0 represents 1990, x = 1 represents 1991, and so on. According to the formula, how many items sold in 1996? A) 11.88 millions B) 4.5 millions C) 34.38 millions D) 13.11 millions 3 Find the Intersection of Two Sets MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Find the intersection of the two sets. 1) {1, 7, 4, 9} ∩ {4, 6, 1} A) {1, 4} B) {1} C) {1, 4, 9, 7, 6} D) ∅ 2) {1, 3, 9} ∩ {5, 6} A) ∅ B) {3, 9} C) {1, 5, 9, 3, 6} D) {1, 9} 3) {6, 8, 9, 11} ∩ ∅ A) ∅ B) {6, 8, 9, 11} C) {6, 8} D) {9, 11} 4 Find the Union of Two Sets MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Find the union of the two sets. 1) {1, 4, 8, 11} ∪ {1, 4, 13} A) {1, 4, 8, 11, 13} B) {1, 4} C) {8, 11, 13} D) ∅ 2) {1, 11} ∪ {1, 4, 9} A) {1, 4, 9, 11} B) {1} C) {4, 9, 11} D) ∅ 3) {4, 6, 7, 9} ∪ ∅ A) {4, 6, 7, 9} B) {4, 6} C) {7, 9} D) ∅ Page 2

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    5 Recognize Subsets of the Real Numbers MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. List all numbers from the given set B that are members of the given Real Number subset. 1) B = {6, 7, - 11, 0, 0.9, 9} Integers A) 6, - 11, 0, 9 B) 6, 0 C) 6, - 11, 0 D) 6, 0, 9 2) B = {17, 7, - 15, 0, 0.7, 9} Whole numbers A) 17, 0, 9 B) 17, - 15, 0 C) 17, - 15, 0, 9 D) 17, 0 3) B = {17, 5, - 18, 0, 0.8, 4} Natural numbers A) 17, 4 B) 17, 0, 4 C) 17, 0 D) 17 4) B = {14, 6, - 19, 0, 5 6 , 16, 0.8, 0.62} Rational numbers A) 14, - 19, 0, 5 6 , 16, 0.62, 0.8 B) 14, 0, 16 C) 6, 16 D) 6, 5 6 , 0.62 5) B = {3, 8, - 15, 0, 4 5 , 4, 0.6, 0.7} Irrational numbers A) 8 B) 8, 0.6 C) 8, 4, 0.6 D) 8, 4, 0.7 6) B = {5, 8, 0, 5 6 , 16, - 0.9, 0.17, - 11} Real numbers A) 5, 8, 0, 5 6 , 16, - 0.9, 0.17, - 11 B) 5, 8, 0, 5 6 , 16, 0.17 C) 5, 8, 5 6 , 16, - 0.9, 0.17, - 11 D) 5, 0, 5 6 , - 0.9, 0.17, - 11 6 Use Inequality Symbols MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Determine whether the statement is true or false. 1) 12 > 21 A) False B) True 2) 14 ≥ 4 A) True B) False 3) - 26 < 0 A) True B) False 4) 19 < - 8 A) False B) True 5) 16 ≤ 11 A) False B) True Page 3

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    6) - 7 ≤ 7 A) True B) False 7) 12 > 2 A) True B) False 8) - 2 ≥ 6 A) False B) True 9) - π ≥ - π A) True B) False 10) π < 3 A) False B) True 7 Evaluate Absolute Value MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Rewrite the expression without absolute value bars. 1) |9| A) 9 B) - 9 C) 18 D) 0 2) | - 7| A) 7 B) - 7 C) 14 D) 0 3) 10 1 A) 10 B) - 1 C) 1 D) - 10 4) 6 - 17 A) 17 - 6 B) 6 - 17 C) - 11 D) 11 5) |3 + ( - 8)| A) 5 B) 11 C) - 5 D) - 11 6) - 4 - - 8 A) 4 B) 12 C) - 4 D) - 12 7) - 1 + - 4 A) 5 B) 3 C) - 3 D) - 5 Evaluate the expression for the given values of x and y. 8) |x| x + |y| y ; x = 2 and y = - 1 A) 0 B) 2 C) 1 D) - 1 8 Use Absolute Value to Express Distance MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Express the distance between the given numbers using absolute value. Then find the distance by evaluating the absolute value expression. 1) 38 and 96 A) |38 - 96| = 58 B) - |96 - 38| = - 58 C) |38 + 96| = 134 D) - |38 + 96| = - 134 Page 4

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    2) - 59 and - 73 A) |( - 59) - ( - 73)| = 14 B) |( - 73) - ( - 59)| = - 14 C) |( - 73) + ( - 59)| = - 132 D) | - ( - 59) + ( - 73)| = 132 3) 89 and - 90 A) |89 - ( - 90)| = 179 B) |( - 90) - 89| = - 179 C) |89 + ( - 90)| = - 1 D) | - 89 + ( - 90)| = 1 4) 33.2 and 45.5 A) |33.2 - 45.5| = 12.3 B) |45.5 - 33.2| = - 12.3 C) |33.2 + 45.5| = 78.7 D) | - 33.2 + 45.5| = - 78.7 5) - 45.1 and 40.5 A) | - 45.1 - 40.5| = 85.6 B) |40.5 + ( - 45.1)| = - 85.6 C) |40.5 - ( - 45.1)| = - 4.6 D) | - 45.1 + ( - 40.5)| = 4.6 6) 8.2 and 17.9 A) |8.2 - 17.9| = 9.7 B) |17.9 - 8.2| = - 9.7 C) |17.9 + 8.2| = 26.1 D) - |8.2 + 17.9| = - 26.1 9 Identify Properties of the Real Numbers MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. State the name of the property illustrated. 1) 6 + ( - 9) = ( - 9) + 6 A) Commutative property of addition B) Associative property of addition C) Distributive property of multiplication over addition D) Identity property of addition 2) 17 · (6 + 3) = 17 · 6 + 17 · 3 A) Distributive property of multiplication over addition B) Commutative property of multiplication C) Associative property of multiplication D) Commutative property of addition 3) 18 + (15 + 9) = (18 + 15) + 9 A) Associative property of addition B) Commutative property of addition C) Distributive property of multiplication over addition D) Identity property of addition 4) (5 + 9) + 6 = (9 + 5) + 6 A) Commutative property of addition B) Associative property of addition C) Distributive property of multiplication over addition D) Inverse property of addition 5) 7 · (2 · 12) = 7 · (12 · 2) A) Commutative property of multiplication B) Associative property of multiplication C) Distributive property of multiplication over addition D) Identity property of multiplication Page 5

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    6) (6 + 1) + (3 + 16) = (3 + 16) + (6 + 1) A) Commutative property of addition B) Associative property of addition C) Distributive property of multiplication over addition D) Inverse property of addition 7) 7 · (18 · 1) = (18 · 1) · 7 A) Commutative property of multiplication B) Associative property of multiplication C) Distributive property of multiplication over addition D) Identity property of multiplication 8) (1 · 14) · 5 = 1 · (14 · 5) A) Associative property of multiplication B) Commutative property of multiplication C) Distributive property of multiplication over addition D) Identity property of multiplication 9) 5(x + 3) = 5x + 5 · 3 A) Distributive property of multiplication over addition B) Commutative property of multiplication C) Associative property of multiplication D) Identity property of multiplication 10) 6( - 6 + 4) = - 36 + 24 A) Distributive property of multiplication over addition B) Associative property of multiplication C) Associative property of addition D) Commutative property of multiplication 11) - 7(2 + 5) = - 14 + ( - 35) A) Distributive property of multiplication over addition B) Associative property of multiplication C) Associative property of addition D) Commutative property of multiplication 12) 1 (x + 2) (x + 2) = 1, x ≠ - 2 A) Inverse property of multiplication B) Inverse property of addition C) Commutative property of multiplication D) Identity property of multiplication 13) (x + 8) + [ - (x + 8)] = 0 A) Inverse property of addition B) Inverse property of multiplication C) Commutative property of addition D) Identity property of multiplication 10 Simplify Algebraic Expressions MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Simplify the algebraic expression. 1) - 9(5r + 8) + 2(10r + 9) A) - 25r - 54 B) - 4r - 1 C) - 25r + 8 D) - 117r Page 6

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    2) (9z + 10) - (2z - 8) A) 7z + 18 B) 7z + 2 C) 11z + 18 D) 7z - 18 3) - 3(2x - 10) - 4x + 9 A) - 10x + 39 B) 2x + 39 C) 10x + 39 D) - 10x - 21 Write the algebraic expression without parentheses. 4) - (73w) A) - 73w B) 73w C) - 73 - w D) 73 - w 5) - 7( - 5z) A) 35z B) - 35z C) 35 - 7z D) 35 + z 6) - (6x - 2) A) - 6x + 2 B) 6x - 2 C) - 6x - 2 D) 12x 7) - ( - 7 + 7y) A) 7 - 7y B) 7 + 7y C) - 7 + 7y D) 49y 8) - (6z - 7w + 3y) A) - 6z + 7w - 3y B) - 6z + 7w + 3y C) - 6z - 7w + 3y D) - 6z - 7w - 3y 9) 1 5 (5x) + [( - 3x) + (3x)] A) x B) - 5x C) 7x D) 1 0.2 Exponents and Scientific Notation 1 Use Properties of Exponents MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Evaluate the exponential expression. 1) 33 · 10 A) 270 B) 90 C) 27,000 D) 37 2) ( - 7)3 A) - 343 B) 343 C) - 21 D) 21 3) - 34 A) - 81 B) 12 C) 81 D) - 12 4) 90 A) 1 B) - 1 C) 0 D) 9 5) ( - 7)0 A) 1 B) - 1 C) 0 D) 7 6) - 60 A) - 1 B) 1 C) 0 D) 6 Page 7

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    7) 3 - 4 A) 1 81 B) - 81 C) 81 D) 1 12 8) ( - 3) - 4 A) 1 81 B) - 81 C) 81 D) - 1 81 9) - 2 - 4 A) - 1 16 B) - 16 C) 16 D) 1 8 10) 96 · 99 A) 915 B) 954 C) 8115 D) 8154 11) (42) 3 A) 4096 B) 1024 C) 24 D) 48 12) (42) - 3 A) 1 4096 B) 1 1024 C) - 24 D) - 48 13) 5 - 3 · 5 A) 1 25 B) 1 125 C) 25 D) 125 14) 56 · 5 - 7 A) 1 5 B) - 5 C) 1.220703125e + 09 D) - 1 5 15) 44 42 A) 16 B) 1 16 C) 240 D) 2 2 Simplify Exponential Expressions MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Simplify the exponential expression. 1) x · x6 A) x7 B) 2x6 C) x6 D) 2x7 2) x - 4y A) y x4 B) - x4y C) - y x4 D) 1 x4y Page 8

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    3) x5y0 A) x5 B) 1 C) 0 D) 1 x5 4) x5 · x3 A) x8 B) x15 C) 8x D) 15x 5) x9 · x - 3 A) x6 B) 1 x6 C) - x6 D) - 1 x6 6) x - 5 · x2 A) 1 x3 B) - x3 C) x3 D) - 1 x3 7) (x2) 7 A) x14 B) x9 C) 7x2 D) 7x14 8) (x - 3) 6 A) 1 x18 B) - x18 C) - 3x6 D) - 3x18 9) (x4) - 6 A) 1 x24 B) - x24 C) - 6x4 D) - 6x24 10) (x - 5) - 3 A) x15 B) 1 x15 C) 1 x8 D) - x8 11) x14 x4 A) x10 B) x18 C) x6 D) 1 x10 12) x2 x5 A) 1 x3 B) - x3 C) x3 D) - 1 x3 13) x - 7 x2 A) 1 x9 B) 1 x14 C) 1 x5 D) x9 Page 9

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    14) x - 5 y - 2 A) y2 x5 B) 1 x5y2 C) x5y2 D) x5 y2 15) (2x)4 A) 16x4 B) 8x C) 16x D) 8x4 16) ( - 5x)2 A) 25x2 B) - 10x C) 25x D) - 10x2 17) (5x4) 2 A) 25x8 B) 5x8 C) 25x4 D) 5x6 18) - 8y0 A) - 8 B) 1 C) 0 D) - 7 19) (7b)0 A) 1 B) 0 C) b D) 7 20) (x9y) 4 A) x36y4 B) x36y C) x13y5 D) x13y 21) (6x9)(7x6) A) 42x15 B) - 42x15 C) 42x54 D) - 42x54 22) ( - 5x3y)( - 9x6y5) A) 45x9y6 B) - 45x9y5 C) - 14x9y5 D) 45x18y5 23) 4x7 x5 A) 4x2 B) 16x2 C) 4x12 D) 8x 24) 14x13 2x4 A) 7x9 B) x8 C) x9 D) 7x8 25) - 48x7 8x12 A) - 6 x5 B) - 6x5 C) - 6 x4 D) - 6x4 26) x 4 3 A) x3 64 B) x4 256 C) x 4 D) x3 4 Page 10

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    27) - 4 x 2 A) 16 x2 B) - 16 x2 C) 16 x D) 4 x2 28) x3 4 2 A) x6 16 B) x6 4 C) x5 16 D) x5 4 29) - 3x y 2 A) 9x2 y2 B) 9x y2 C) - 6x2 y2 D) - 6x y 30) x13y9 x10y2 A) x3y7 B) x2y6 C) xy7 D) x2y7 31) 48x12y10 8x4y2 A) 6x8y8 B) x8y8 C) 6x7y8 D) 6x7y7 32) x2y - 5 A) x2 y5 B) y5x2 C) x2 y11 D) y11x2 33) 3x - 8y5 A) 3y5 x8 B) 3 x8y5 C) y5 3x8 D) 3x8 y5 34) x8y - 5 z - 9 A) x8z9 y5 B) z9 x8y5 C) y5 x8z9 D) x8z5 y9 35) 35x11y15 5x10y - 10 A) 7xy25 B) 35xy25 C) 7x21y25 D) 7xy5 36) - 36x13y13z7 4x8y6z6 A) - 9x5y7z B) x5y7z C) - 9x4y6z D) - 9x5y7 Page 11

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    37) - 25x12y10 5x2y3 0 A) 1 B) x10y7 C) - 5x10y7 D) 0 38) ( - 11x8y8) 2 A) 121x16y16 B) - 11x16y16 C) - 121x16y16 D) 121x10y10 39) (6x8) - 2 A) 1 36x16 B) 1 6x16 C) 36x16 D) 36 x16 40) (x - 4y6) - 1 - 1 A) x4 y6 B) x - 5 y5 C) 1 x4y6 D) y5 x - 5 41) (2x - 7y4z - 8) - 1 A) x7z8 2y4 B) y5 2x8z9 C) x7z8 - 2y - 4 D) y5 - 2x8z9 42) 2x3y4 z4 2 A) 4x6y8 z8 B) 2x6y8 z8 C) 4x5y6 z6 D) 2x6y8 z6 43) - 12x10y7 6x14y - 2 3 A) - 8y27 x12 B) 8y27 x12 C) - 8y15 x12 D) - 8 x12y27 44) x - 3 y6 - 3 A) x9y18 B) x - 6 y3 C) 1 x9y18 D) y3 x - 6 45) 4x3 y2 - 5 A) y10 1024x15 B) 1024x15 y10 C) 1024y10 x15 D) y2 1024x15 46) (4x4) 3 x15 A) 64 x3 B) 4 x3 C) 64 x8 D) 64 x27 Page 12

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    47) ( - 4x4y - 5)(2x - 1y) A) - 8x3 y4 B) - 8x3y6 C) - 2x3 y4 D) - 8x5 y6 48) 2 - 8x - 4y2 2 - 5x - 7y4 A) x3 8y2 B) 1 8x7y2 C) 3x3 y2 D) 8 x3y2 49) xy5 x3y - 2 A) x4 y8 B) 1 x5y11 C) 1 x8y12 D) y8 x4 50) 12x - 5y - 3z4 3xy - 3z - 4 - 1 A) x6 4z8 B) x4 4z8 C) 4x6 z8 D) x6y6 4z8 3 Use Scientific Notation MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Write the number in decimal notation without the use of exponents. 1) 9 × 10 - 3 A) 0.009 B) 9000 C) 0.09 D) 900 2) 2 × 103 A) 2000 B) 0.002 C) 20,000 D) 0.0002 3) 1.19 × 107 A) 11,900,000 B) 119,000,000 C) 1,190,000 D) 83.3 4) 7.34 × 10 - 4 A) 0.000734 B) 0.00734 C) 0.0000734 D) - 734,000 5) 2.714 × 10 - 6 A) 0.000002714 B) 0.00002714 C) 0.0000002714 D) - 2,714,000 6) - 7.84 × 107 A) - 78,400,000 B) - 784,000,000 C) - 7,840,000 D) 78,400,000 7) - 7.1039 × 105 A) - 710,390 B) - 7,103,900 C) - 71,039 D) - 355.195 Write the number in scientific notation. 8) 7,781,440 A) 7.78144 × 106 B) 7.78144 × 107 C) 7.78144 × 10 - 6 D) 7.78144 × 101 Page 13

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    9) 36,000 A) 3.6 × 104 B) 3.6 × 10 - 4 C) 3.6 × 103 D) 3.6 × 10 - 3 10) 52,000,000 A) 5.2 × 107 B) 5.2 × 10 - 7 C) 5.2 × 106 D) 5.2 × 10 - 6 11) 8,546,930 A) 8.54693 × 106 B) 8.54693 × 107 C) 8.54693 × 10 - 6 D) 8.54693 × 101 12) 0.000576 A) 5.76 × 10 - 4 B) 5.76 × 104 C) 5.76 × 10 - 5 D) 5.76 × 10 - 3 13) 0.00002686 A) 2.686 × 10 - 5 B) 2.686 × 105 C) 2.686 × 10 - 4 D) 2.686 × 104 14) 0.000000041701 A) 4.1701 × 10 - 8 B) 4.1701 × 108 C) 4.1701 × 10 - 7 D) 4.1701 × 10 - 9 Perform the indicated computation. Write the answer in scientific notation. 15) (9 × 10 - 8)(2.1 × 10 - 7) A) 1.89 × 10 - 14 B) 18.9 × 10 - 14 C) 189 × 10 - 15 D) 1.89 × 1056 16) (2 × 105)(3.6 × 108) A) 7.2 × 1013 B) 7.2 × 1014 C) 72 × 1013 D) 7.2 × 1040 17) 10 × 10 - 8 2 × 10 - 3 A) 5 × 10 - 5 B) 5 × 10 - 11 C) 10 × 10 - 5 D) 10 × 10 - 11 18) 14.05 × 107 5 × 10 - 8 A) 2.81 × 1015 B) 2.81 × 10 - 1 C) 5.62 × 1015 D) 5.62 × 10 - 1 19) 8.37 × 10 - 3 3.1 × 10 - 8 A) 2.7 × 105 B) 2.7 × 10 - 11 C) 5.4 × 105 D) 5.4 × 10 - 11 20) 80,000,000,000 0.000004 A) 2 × 1016 B) 2 × 1015 C) 4 × 1016 D) 4 × 1015 21) 0.00016 × 0.0003 0.0008 A) 6 × 10 - 5 B) 6 × 105 C) 48 × 106 D) 48 × 10 - 6 Solve. Express the result in scientific notation. If necessary, round the decimal factor to two decimal places. 22) In a state with a population of 9,000,000 people, the average citizen spends $6,000 on housing each year. What is the total spent on housing for the state? A) $5.4 × 1010 B) $5.4 × 109 C) $54 × 1011 D) $54 × 1010 Page 14

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    23) Approximately 4 × 103 employees of a certain company average $30,000 each year in salary. What is the total amount earned by all the employees of this company per year? A) $1.2 × 108 B) $12 × 108 C) $1.2 × 109 D) $12 × 109 0.3 Radicals and Rational Exponents 1 Evaluate Square Roots MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Evaluate the expression or indicate that the root is not a real number. 1) 4 A) 2 B) 16 C) 1 4 D) Not a real number 2) - 361 A) - 19 B) 19 C) - 180 D) Not a real number 3) - 144 A) 12 144 B) 20,736 C) 12 D) Not a real number 4) 64 + 36 A) 10 B) 14 C) 100 D) 28 5) 169 - 25 A) 12 B) 17 C) 144 D) 119 6) 64 + 36 A) 14 B) 10 C) 100 D) 28 2 Simplify Expressions of the Form SqRt(a^2) MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Evaluate the expression or indicate that the root is not a real number. 1) (3)2 A) 3 B) 81 C) 1 9 D) Not a real number 2) ( - 14)2 A) 14 B) 196 C) - 14 D) Not a real number 3 Use the Product Rule to Simplify Square Roots MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Use the product rule to simplify the expression. 1) 18 A) 3 2 B) 2 3 C) 6 D) 4 2) 26 A) 26 B) 2 13 C) 13 2 D) 13 Page 15

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