Calculus Examples

$f (x) = x - 120$ , $g (x) = 0.75 x$

Step 1

Set up the composite result function.

$f (g (x))$

Step 2

Evaluate $f (0.75 x)$ by substituting in the value of $g$ into $f$ .

$f (0.75 x) = (0.75 x) - 120$

Step 3

Remove parentheses.

$f (0.75 x) = 0.75 x - 120$