Find g(f(x)) f(x)=3x-3 g(x)=x+9

$f (x) = 3 x - 3$ $g (x) = x + 9$

Step 1

Set up the composite result function.

$g (f (x))$

Step 2

Evaluate $g (3 x - 3)$ by substituting in the value of $f$ into $g$ .

$g (3 x - 3) = (3 x - 3) + 9$

Step 3

Add $- 3$ and $9$ .

$g (3 x - 3) = 3 x + 6$