Algebra Examples

$f (x) = 3 x - 4$ $g (x) = \frac{x + 3}{4}$

Step 1

Set up the composite result function.

$g (f (x))$

Step 2

Evaluate $g (3 x - 4)$ by substituting in the value of $f$ into $g$ .

$g (3 x - 4) = \frac{(3 x - 4) + 3}{4}$

Step 3

Add $- 4$ and $3$ .

$g (3 x - 4) = \frac{3 x - 1}{4}$