Algebra Examples

$f (x) = 2 x - 7$ , $g (x) = \frac{x + 2}{7}$

Step 1

Set up the composite result function.

$g (f (x))$

Step 2

Evaluate $g (2 x - 7)$ by substituting in the value of $f$ into $g$ .

$g (2 x - 7) = \frac{(2 x - 7) + 2}{7}$

Step 3

Add $- 7$ and $2$ .

$g (2 x - 7) = \frac{2 x - 5}{7}$