Find the intersection of the given intervals.
-$( - \infty , \infty ) \cap [ - 9 , \infty )$
A) $( - \infty , \infty )$
B) $( - \infty , - 9 ]$
C) $\varnothing$
D) $[ - 9 , \infty )$

Question

Quizplus · Accepted Answer

The intersection of $( - \infty , \infty )$ and $[ - 9 , \infty )$ is $[ - 9 , \infty )$ because the first interval includes all real numbers, and the second interval starts from -9 and includes all numbers greater than -9.

Find the Intersection of the Given Intervals (−∞,∞)∩[−9,∞)( - \infty , \infty ) \cap [ - 9 , \infty )(−∞,∞)∩[−9,∞)

Find the Intersection of the Given Intervals $( - \infty , \infty ) \cap [ - 9 , \infty )$