If f(x) = x^2 and g(x) = 1/2x + 3, find g(f(-1)). A.) -1 B.) 1/25 C.) 1/5 D.) 1

asked Apr 19, 2019 107k views

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If f(x) = x^2 and g(x) = 1/2x + 3, find g(f(-1)).

A.) -1
B.) 1/25
C.) 1/5
D.) 1

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3 votes

f(x)=x^2
x=-1→f(-1)=(-1)^2→f(-1)=1

g(x)=1/(2x+3)
g(f(-1))=g(1)→x=1→g(1)=1/[2(1)+3]=1/(2+3)→g(f(-1))=1/5

Answer: Option C.) 1/5

Davypough answered Apr 23, 2019

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