Express the Interval in Set Builder Notation and Graph the Interval

question 18

Multiple Choice

Express the interval in set builder notation and graph the interval on a number line.
- $$( - \infty , 4.5 \text { ] }$$

• A) \(\{ x \mid x < 4.5 \}\)
• B) \(\{ x \mid x \leq 4.5 \}\)
• C) \(\{ x \mid x \geq 4.5 \}\)
• D) \(\{ x \mid x > 4.5 \}\)

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