Algebra Examples

$f (x) = 8 x - 7$ , $g (x) = \frac{x + 8}{7}$

Step 1

Set up the composite result function.

$g (f (x))$

Step 2

Evaluate $g (8 x - 7)$ by substituting in the value of $f$ into $g$ .

$g (8 x - 7) = \frac{(8 x - 7) + 8}{7}$

Step 3

Add $- 7$ and $8$ .

$g (8 x - 7) = \frac{8 x + 1}{7}$