niy3ahPuDaraquaresl niy3ahPuDaraquaresl

27-12-2016
Mathematics

Answered

Any help would be GREAT!!!

Let f(x) = x + 2 and g(x) = x2 Find ( g o f)(-5)

A-3
B9
C-10
D49

Verified Answer :

JcAlmighty JcAlmighty

29-12-2016

The answer is B. 9

(g o f)(x) = g(f(x))

f(x) = x + 2
f(-5) = -5 + 2 = -3

g(x) = x²
(g o f)(-5) = g(f(-5)) = g(-3) = (-3)² = 9

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