If f(x) = 2x+3 and g(x) = x^2 , then f[g(-3)]=?
1 Answer
Jan 24, 2018
Explanation:
evaluate g( -3) and substitute into f(x)
g(−3)=(−3)2=9
⇒f(g(−3))=f(9)=(2×9)+3=21
evaluate g( -3) and substitute into f(x)
g(−3)=(−3)2=9
⇒f(g(−3))=f(9)=(2×9)+3=21