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27 January, 09:01

If f (x) = - x + 4 and g (x) = x^2 - 5, then g (f (3)) = ?

A) - 8

B) - 4

C) - 3

D) 0

+4
Answers (1)
  1. 27 January, 11:10
    0
    B) - 4

    Step-by-step explanation:

    To solve g (f (3)), we first have to solve f (3):

    Since f (x) = - x + 4, f (3) = - 3 + 4 = 1

    Now we have to solve g (1), since that is what f (3) left us;

    Since g (x) = x^2 - 5, g (1) = 1^2 - 5 = 1 - 5 = - 4
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