Algebra Examples

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

Step 1

Set up the composite result function.

$g (f (x))$

Step 2

Evaluate $g (\frac{3}{x})$ by substituting in the value of $f$ into $g$ .

$g (\frac{3}{x}) = 3 (\frac{3}{x})$

Step 3

Multiply $3 (\frac{3}{x})$ .

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Step 3.1

Combine $3$ and $\frac{3}{x}$ .

$g (\frac{3}{x}) = \frac{3 \cdot 3}{x}$

Step 3.2

Multiply $3$ by $3$ .

$g (\frac{3}{x}) = \frac{9}{x}$