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15 March, 11:55

What is the range of change of the function f (x) = 3x-12 for the domain (-2,2) ?

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  1. 15 March, 11:57
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    The range is simply the output.

    This is asking for to find the range of values for between x = - 2 and for x = 2

    f (x) = 3x - 12

    for x = - 2, f (-2) = 3 * (-2) - 12 = - 6 - 12 = - 18

    for x = 2, f (2) = 3 * (2) - 12 = 6 - 12 = - 6

    Therefore range of values for f (x) is between - 18 and - 6

    Range is: (-18, - 6)
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