Write the compound inequality shown by each graph. 2.
1.
S
6
5
4
2
o
3
3.
4.
1817-16-15
14
12
12
11
109
8
-40-30-20-10
O
10 20 30 40
Solve each compound inequality and graph the solutions.
5. -15 < x-8<-4
6. 12 s 4n < 28
7. -2 s 3b + 7 3 13
8. X-3-3 OR X-323
9. 5ks -20 OR 2k 28
10. 2s +3 57 OR 3s +5 > 26
Write a compound inequality for each problem. Graph the solutions.
11. The human ear can distinguish sounds
between 20 Hz and 20,000 Hz, inclusive.
12. For a man to box as a welterweight, he must
weigh more than 140 lbs, but at most 147 lbs.

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