Question

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

A) -5
B) -1
C) 5
D) 13
E) 31

Answer 1

C) 5

Explanation:

`g(-2) = {[-2]}^(2) - 5 = 4 - 5 = -1 \\ \\ f(-1) = -[-1] + 4 = 1 + 4 = 5 \\ \\ 5 = f(g(-2))`

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