Precalculus Examples

$- 5 e^{\ln (3)}$

Step 1

Exponentiation and log are inverse functions.

$- 5 \cdot 3$

Step 2

Multiply $- 5$ by $3$ .

$- 15$

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