Question

Let f(x) =3x+2 and g(x) =x^2
find f(g(x))
and find g(f(x))

Answer 1

f(g(x)) = 3x^2 + 2
g(f(x)) = (3x+2)^2

Answer 2

plug x^2 into the 'x' variable in the f(x) equation.

Answer 3

or vice versa,
pk51 has the right answer.

Answer 4

thanks!!!!