Question

If f ( x ) = x 2 and g ( x )= 2x - 2,

find f ( g ( 7 ) )

Answer 1

Answer:

144

Step-by-step explanation:

First find g(7) --

$g(7)=2(7)-2\\=14-2\\=12$

Then plug 12 into f(x) --

$f(12)=(12)^{2} \\=144$