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28 July, 22:01

What is the range of the function f (x) = 3x+2 if the domain is {-2,-1,0,2,5}

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  1. 29 July, 00:14
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    The range = {-4, - 1, 2, 8, 17}

    Step-by-step explanation:

    Put all values of x from the domain {-2, - 1, 0, 2, 5} to f (x) = 3x + 2:

    x = - 2

    f (-2) = 3 (-2) + 2 = - 6 + 2 = - 4

    x = - 1

    f (-1) = 3 (-1) + 2 = - 3 + 2 = - 1

    x = 0

    f (0) = 3 (0) + 2 = 0 + 2 = 2

    x = 2

    f (2) = 3 (2) + 2 = 6 + 2 = 8

    x = 5

    f (5) = 3 (5) + 2 = 15 + 2 = 17
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