Algebra Examples

$f (x) = 2 x - 1$ , $g (x) = x + 2$

Step 1

Set up the composite result function.

$g (f (x))$

Step 2

Evaluate $g (2 x - 1)$ by substituting in the value of $f$ into $g$ .

$g (2 x - 1) = (2 x - 1) + 2$

Step 3

Add $- 1$ and $2$ .

$g (2 x - 1) = 2 x + 1$