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

1 Answer
Jan 24, 2018

f(g(3))=21

Explanation:

evaluate g( -3) and substitute into f(x)

g(3)=(3)2=9

f(g(3))=f(9)=(2×9)+3=21