Question

Tolong no 16 dan 17 please

Answer 1

Verified answer

No.16
|x + 4| > 8
(i)
x + 4 > 8
x > 4
(ii)
x + 4 < -8
x < -4
HP = {x| x < -4  atau  x > 4}

No.17
|x/2 + 6| ≥ 9
(i)
x/2 + 6 ≥ 9
x/2 ≥ 9 - 6
x/2 ≥ 3
x ≥ 6
(ii)
x/2 + 6 ≤  -9
x/2 ≤ -9 - 6
x/2 ≤ -15
x ≤ -30
HP = {x| x ≤ -30   atau   x ≥ 6}