Select the correct representation of the inequality in interval notation. $x \leq 3$
A) $\quad ( - \infty , 3 )$
B) $\quad ( - \infty , 3 ]$
C) $[ 3 , \infty )$
D) $\quad [ - \infty , 3 ]$
E) $\quad ( 3 , \infty )$

Question

Quizplus · Accepted Answer

In interval notation, a closed circle (<=) means the endpoint is included in the interval, while an open circle (<) means the endpoint is not included. Since x is less than or equal to 3, we use a closed circle and include 3 in the interval. Therefore, the correct interval notation is (-∞, 3].

Select the Correct Representation of the Inequality in Interval Notation x≤3x \leq 3x≤3

Select the Correct Representation of the Inequality in Interval Notation $x \leq 3$