Question

I need help understanding this (:

Answer 1

Explanation:

-3 ≤ x < 2

-3 * 4 ≤ 4x < 2 * 4

-12 ≤ 4x < 8

-12 - 3 ≤ 4x - 3 < 8 - 3

-15 ≤ 4x - 3 < 5

so the second choice is right.