Solve the inequality x - 1 > 4(x + 2)
A
x > -3
B
x < -3
C
2 < x < 3
D
-3 < x < -2
Verified Correct Answer: B.
Step-by-Step Mathematical Solution
x - 1 > 4(x + 2) = x - 1 > 4x + 8
4x + 8 < x - 1 = 4x - x < -1 -8
= 3x < -9
∴ x < -3
Source: Myschool Past Questions Archive (Record #31909)