Question

1. to ensure safety, the depth of water in a childrens pool must not exceed 3 feet. which inequality describes this limit?

a. $d > 3$
b. $d < 3$
c. $d \leq 3$
d. $d \geq 3$

Explanation:

Step1: Define variable meaning

Let $d$ = water depth (ft).

Step2: Interpret "not exceed 3"

"Not exceed" means $d$ can be 3 or less.

Step3: Match to inequality

This translates to $d \leq 3$.

Answer:

c. $d \leq 3$