Use inequality notation and interval notation to describe the set.
Y is no more than 20.

A)Inequality : y ≤ 20 Interval : (∞, -20]
B)Inequality : y ≤ 20 Interval : (-∞, 20]
C)Inequality : y ≥ 20 Interval : (-∞, 20]
D)Inequality : y ≥ 20 Interval : (-∞, -20]
E)Inequality : y ≤ 20 Interval : (∞, 20]

Question

Use inequality notation and interval notation to describe the set. ​
Y is no more than 20.
​
A)Inequality : y ≤ 20 Interval : (∞, -20]
B)Inequality : y ≤ 20 Interval : (-∞, 20]
C)Inequality : y ≥ 20 Interval : (-∞, 20]
D)Inequality : y ≥ 20 Interval : (-∞, -20]
E)Inequality : y ≤ 20 Interval : (∞, 20]

Quizplus · Accepted Answer

The correct description of "Y is no more than 20" is y ≤ 20, which translates to the interval notation (-∞, 20], meaning all numbers up to and including 20.

Use Inequality Notation and Interval Notation to Describe the Set