Question

A. |3-2x|≥4
B.|3x+2|<5

Answer 1

Verified answer

A.
| 3 - 2x | >= 4

3 - 2x >= 4
-2x >= 1
x <= -1/2

3 - 2x <= -4
-2x <= -7
x >= 7/2

Hp = {x <= -1/2 atau x >= 7/2}

B.
| 3x + 2 | < 5

-5 < 3x + 2 < 5
-5 - 2 < 3x < 5 - 2
-7 < 3x < 3
-7/3 < x < 1

Hp = {-7/3 < x < 1}