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

User Jake Jones
by
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1 Answer

2 votes
if f(x)=2x+3 and g(x)=x^2 then

f(g(x))=2x^2+3 then:

f(g(-3))=2(-3)^2+3

f(g(-3))=2*9+3

f(g(-3))=18+3

f(g(-3))=21
User Mike Sandford
by
6.4k points
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