Algebra Examples

$f (x) = \frac{1}{x}$ $g (x) = 2 x$

Step 1

Set up the composite result function.

$g (f (x))$

Step 2

Evaluate $g (\frac{1}{x})$ by substituting in the value of $f$ into $g$ .

$g (\frac{1}{x}) = 2 (\frac{1}{x})$

Step 3

Combine $2$ and $\frac{1}{x}$ .

$g (\frac{1}{x}) = \frac{2}{x}$