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6 July, 14:01

The function g is given by g (x) = -2 (x+2) - 6. Which of the following expresses the value of g (b-5) ? Select one: A. - 4b-20 B. 4b+12 C. 2b+2x-6 D. - 2b

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  1. 6 July, 16:46
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    D

    to evaluate g (b - 5) substitute x = b - 5 in f (x)

    g (b - 5) = - 2 (b - 5 + 2) - 6 = - 2 (b - 3) - 6 = - 2b + 6 - 6 = - 2b
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