Question

in order to avoid heavy traffic, antonio can drive home after working less than 7 hours or after working more than 9 hours. how can this be written as a single compound inequality?\\(\bigcirc\\ 7 < h < 9\\)\\(\bigcirc\\ 7 > h > 9\\)\\(\bigcirc\\ h < 7\text{ or }h > 9\\)\\(\bigcirc\\ h > 7\text{ or }h < 9\\)

Explanation:

Step1: Define variable

Let $h$ = hours worked.

Step2: Translate "less than 7 hours"

$h < 7$

Step3: Translate "more than 9 hours"

$h > 9$

Step4: Combine with "or"

Combine the two inequalities with "or" as required by the scenario.

Answer:

C. $h<7$ or $h>9$