Algebra Examples

$f (x) = - \log_{\frac{1}{2}} (x - 1) + 2$

Step 1

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

Interval Notation:

$(- \infty, \infty)$

Set-Builder Notation:

${y | y \in ℝ}$

Step 2