Precalculus Examples

$\sum_{i = 1}^{5} i + 9$

Step 1

Expand the series for each value of $i$ .

$1 + 9 + 2 + 9 + 3 + 9 + \dots + 5 + 9$

Step 2

Simplify the expanded form.

$60$

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