Question

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

Answer 1

9

Answer 2

First , calculate f(-3)=2*(-3)+3=...
Put that result in g, so square it. That will be the answer.

Answer 3

\[f(x)=2x+3\]\[g(x)=x^2\]Find g(f(-3)).\[g(f(-3))=(f(-3))^2\]Find f(-3).\[f(-3)=2(-3)+3\]\[f(-3)=(-6)+3\]\[f(-3)=-3\]Substitute.\[g(f(-3))=g(-3)=(-3)^2\]
g(f(-3)) = 9

Answer 4

did you get the explanation above or should i type it?