Question

Solve for all real numbers.

|2x+5|>9

Choices:
A.) (negative infinity, -4) or (4, infinity)
B.) (negative infinity, -7) or (2, infinity)
C.) (-7,2)
D.) (-4,4)

Answer 1

2x + 5 > 9 2x + 5 < - 9
2x > 9 - 5 2x < -9 - 5
2x > 4 2x < - 14
x > 4/2 x < -14/2
x > 2 x < - 7

It would be answer B

Answer 2

The best answer is D.