Precalculus Examples

$y = f (- 1)$

Step 1

Move $- 1$ to the left of $f$ .

$y = - 1 f$

Step 2

Rewrite $- 1 f$ as $- f$ .

$y = - f$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$