Set 3: Linear Inequalities (Advanced)

**Choice C is the best answer.** x >= -3 AND x <= 5

Explanation

Answer: C

PROBLEM

Solve: 4x + 12 >= 0 AND 3x - 15 <= 0. What is the solution?

x = 1

x >= -3

-3 <= x <= 5

✓ Correct

x <= 5

Detailed Explanation

Choice C is the best answer. x >= -3 AND x <= 5

Why others are wrong:

A: x = 1 is incorrect because it does not satisfy the equation.

B: x >= -3 is incorrect because it does not satisfy the equation.

D: x <= 5 is incorrect because it does not satisfy the equation.