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19 July, 16:11

If f (x) = - 2x + 7 and g (x) = x2 - 2, what is (fog) (3) ?

0 - 7

0 - 1

0 1

+5
Answers (1)
  1. 19 July, 16:26
    0
    -1

    Step-by-step explanation:

    f (x) = - 2x + 7

    g (x) = x2 - 2

    (fog) (3) = f (g (3))

    f (g (x)) = - 2 (2x - 2) + 7

    -2 (2 (3) - 2) + 7 = - 1
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