Trigonometry Examples

$y = \frac{1}{x + 4} - 1$

Step 1

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

Interval Notation:

$(- \infty, - 1) \cup (- 1, \infty)$

Set-Builder Notation:

${y | y \neq - 1}$

Step 2