Precalculus Examples

$f (x) = - 3 \sin (\frac{x}{2} - \frac{π}{3}) + 5$

Step 1

The range is the set of all valid $y$ values. Use the graph to find the range.

Interval Notation:

$[2, 8]$

Set-Builder Notation:

${y | 2 \leq y \leq 8}$

Step 2