Absolute Value Extra Practice KEY
1.
2.
3.
4.
5.
6.
|𝑡 − 11| ≤ 4; 7 ≤ 𝑡 ≤ 15
{𝑥| − 1 ≤ 𝑥 < 16}
{𝑥|𝑥 ∈ ℛ}
{𝑥|𝑥 < −17 ∪ 𝑥 > 11}
{𝑥|𝑥 ≥ −5/3}
9
{𝑥| − 19 < 𝑥 < 5}
21
9
7. (a)|𝑥 + | ≤
2
2
(b)|𝑥 − 1| ≥ 4
7
(c)|𝑥 − 4| ≤
2
8. {𝑥|𝑥 ∈ ℛ}
9. {𝑥| − 19 ≤ 𝑥 ≤ 7}
10.{𝑥| − 3 ≤ 𝑥 ≤ 1}