Question

If f ( x ) = 2x - 3 and g ( x ) = x 2,

find g ( f ( x ) )
Select one:
a. 4x 2 - 9
b. 4x 2 - 12x + 9
c. 2x 2 - 3

Answer 1

`g(f(x)) = g(2x - 3) = {(2x - 3)}^(2) \\ =\boxed{4 {x}^(2) - 12x + 9}`

b. is the right answer