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Solved Examples
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 cc  What are the values of the function rule f (x) = 5 x - x2, for x = 2, 3, 4 and 5?  cc View Solution
 cc  What are the values of the function rule f(x) = 6x2 - 5, if x = -2, -1, 0 and 1?  cc View Solution
cc  Which of the following rules satisfies the table?
 Input(x) 4 5 6 7 Output f(x) 20 29 40 53

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 cc  What are the values of the function rule f(x) = 4x2 - 4, for x = - 3, 0, 3, 4?  cc View Solution
cc  Which of the following rules represents the quadratic function?
 Input x 2 3 4 5 Output f(x) -6 -24 -52 -90

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cc  Write a rule for the quadratic function.
 Input x 0 3 4 5 Output f(x) -4 23 44 71

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 cc  What are the values of the function f(x) = x2 - 2x + 1, for vx = - 4, - 3, 0, 3?  cc View Solution
 cc  The area of a park is 840 square feet. If the width of the park (in feet) varies from 4, 5, 6, 7, then what are the possible values of the length of the park (in feet), keeping the area the same?  cc View Solution
 cc  What are the values of the function rule f(x) = 8x + 2, for x = 3, 5, 7, 9?  cc View Solution
cc  Which of the following rules represents the quadratic function?
 Radius in inches r 4 6 8 10 Area of circle A(r) 16π 36π 64π 100π

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 cc  What are the values of the function rule f(x) = 9x2 - 4, for x = -4, -3, 0, 3?  cc View Solution
cc  Which of the following rules give the input - output relationship for the quadratic function?
 Input (x) 0 5 6 7 Output y 6 -94 -138 -190

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 cc  What are the values of the function rule f(x) = - 5x2 + 3x, for x = - 3, 0, 3, 5?  cc View Solution
 cc  The missile fired in a war takes a trajectory path described by the function h = 93t - 6t2, where h is the height of the missile after a time of t seconds. What will be the height of the missile after a time of 4 seconds?  cc View Solution
cc  Which of the following rules satisfies the table?
 Input(x) 3 4 5 6 Output f(x) 4 11 20 31
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 cc  What are the values of the function rule f(x) = x2 + 2x + 2, if ita(x) = -2, -1, 0 and 1?  cc View Solution
 cc  What are the values of the function rule f(x) = 4x2 + 4, for x = - 2, 0, 2 and 3?  cc View Solution
cc  Which of the following rules represents the quadratic function?
 Input x 2 3 4 5 Output f(x) 24 48 80 120
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cc  Write a rule for the quadratic function given in the table.
 x 2 3 4 5 f(x) 16 36 64 100
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 cc  Gibson invests \$150 in a business and gets an interest of 10% compounded annually. The function f(x) = 150(1.10)x describes the amount after x years. Which of the following quadratic functions represents the rule for 2, 5, 8, 10 years?  cc View Solution
 cc  What are the values of the function rule f (x) = 6x + x2, for x = 3, 4, 5 and 6?  cc View Solution
 cc  What are the values of the function rule f(x) = 6x - 3, for x = 2, 4, 6, 8?  cc View Solution
 cc  What are the values of the function rule f (x) = 6 x - x2, for x = 3, 4, 5 and 6?  cc View Solution
 cc  What are the values of the function rule f(x) = 2x2 - 3, if x = -4, -3, 2 and 3?  cc View Solution
 cc  In a biological research laboratory, the number of bacteria produced (output) is a function of the number of the experiments conducted (input). The function rule is f (x) = 0.2x2 - 0.6x. Which of the tables satisfies the given condition?  cc View Solution
cc  Which of the following rules satisfies the table?
 Input(x) 5 6 7 8 Output f(x) 34 45 58 73

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 cc  What are the values of the function rule f(x) = 3x2 - 4, for x = - 2, 0, 2, 3?  cc View Solution
cc  Which of the following rules represents the quadratic function?
 Input x 1 2 3 4 Output f(x) 3 -2 -15 -36

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cc  Write a rule for the quadratic function.
 Input x 0 3 4 5 Output f(x) -4 41 76 121

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 cc  What are the values of the function f(x) = x2 - 4x + 3, for vx = - 4, - 3, 0, 3?  cc View Solution
 cc  What are the values of the function rule f(x) = 8x + 3, for x = 4, 6, 8, 10?  cc View Solution
 cc  The function rule f(x) = 10x gives the height of a tree in inches as a function of years. Which of the following quadratic functions represents the rule?  cc View Solution
cc  Which of the following rules represents the quadratic function?
 Radius in inches r 2 4 6 8 Area of circle A(r) 4π 16π 36π 64π

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 cc  The area of a park is 120 square feet. If the width of the park (in feet) varies from 2, 3, 4, 5, then what are the possible values of the length of the park (in feet), keeping the area the same?  cc View Solution
 cc  What are the values of the function rule f(x) = 8x2 - 3, for x = -5, -4, 0, 4?  cc View Solution
cc  Which of the following rules give the input - output relationship for the quadratic function?
 Input (x) 0 4 5 6 Output y 7 -121 -193 -281

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 cc  What are the values of the function rule f(x) = - 4x2 + 9x, for x = - 3, 0, 3, 5?  cc View Solution
 cc  The missile fired in a war takes a trajectory path described by the function h = 76t - 4t2, where h is the height of the missile after a time of t seconds. What will be the height of the missile after a time of 5 seconds?  cc View Solution
 cc  What are the values of the function rule f(x) = x2 + 4x + 1, if ita(x) = -1, 0, 1 and 2?  cc View Solution
 cc  What are the values of the function rule f (x) = 8x - x2, for x = 5, 6, 7 and 8?  cc View Solution
 cc  What are the values of the function rule f(x) = 9x - 7, for x = 2, 4, 6, 8?  cc View Solution
cc  Which of the following rules satisfies the table?
 Input(x) 2 3 4 5 Output f(x) -2 3 10 19
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 cc  What are the values of the function rule f(x) = 3x2 + 2, for x = - 1, 0, 1 and 2?  cc View Solution
cc  Which of the following rules represents the quadratic function?
 Input x 1 2 3 4 Output f(x) 13 36 69 112
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cc  Which of the following rules satisfies the table?
 INPUT(x) 2 3 4 5 OUTPUT 3 12 27 48
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