Use Interval Notation
Express the Interval in Set-Builder Notation and Graph

Use Interval Notation
Express the interval in set-builder notation and graph the interval on a number line.
- $\left(-\infty, \frac{9}{5}\right)$

A) $\left\{ x \mid x < \frac { 9 } { 5 } \right\}$

B) $\left\{ x \mid x > \frac { 9 } { 5 } \right\}$

C) $\left\{ x \mid x \leq \frac { 9 } { 5 } \right\}$

D) $\{ x \mid 5 \leq x \leq 9 \}$