Precalculus Examples

$f (- 2) = 2 (- 2) + 3$

Step 1

Multiply $2$ by $- 2$ .

$f (- 2) = - 4 + 3$

Step 2

Add $- 4$ and $3$ .

$f (- 2) = - 1$

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