Question
use interval notation to express the solution set of the inequality |2x + 3|> or equal to 9
Answers
Reiny
|2x + 3| ≥ 9
then
2x+3 ≥ 9 OR -2x-3 ≥ 9
2x ≥ 6 or -2 ≥ 12
x ≥ 3 or x ≤ -6
I will leave it up to you to put that in the interval notation. We used the above notation in my days.
then
2x+3 ≥ 9 OR -2x-3 ≥ 9
2x ≥ 6 or -2 ≥ 12
x ≥ 3 or x ≤ -6
I will leave it up to you to put that in the interval notation. We used the above notation in my days.