Question

Solve the compound inequality 6b < 24 or 4b + 12 > 4.

a. b < 4 or b > −2
b. b < 4 or b > 4
c. b < 4 or b > 2
d. b > 4 or b < −2

Answer 1

The answer is a. b>-2 because

6b<24
b< 24/6
b<4


And

4b+12>4
4b>4-12
4b>-8
b>-8/4
b>-2