Asked by drew

Find g o f if f(x) = x + 7 and g(x) = 3x – 2.
A. 3x + 5
B. 3x - 5
C. 3x + 19
D. -3x - 19

C
Answered by Reiny
g o g
= g(f(x))
= g(x+7)
= 3(x+7) - 2 = 3x + 19
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