Question

Help with math problems

Answer 1

Explanation:

Sorry, i can't "add up to five attachments" because i say only answer.

1.(−24,8)

2.[−3,1]

3.[−3,4]

4. (−3,5)

5 and 6 no answer (check my attachments)

7. (−∞,−8)v(4,+∞)

8 (−∞,1)v(7,+∞)

9. (−∞,−3]v[6,+∞)

10. (−∞,−3]v[2,+∞)

11. (−∞,∞)

12. (−∞,∞)

13. (−∞,−
`(21)/(4)`]v[
`(15)/(4)`,+∞)

14.[-
`(4)/(5)`,
`(8)/(5)`]

15. (-
`(17)/(3)`;5)

16. (−∞,−14]v[22,+∞)

17. no answer (how 5 and 6)

18. (−∞,∞)

19. (−2,
`(2)/(3)`)

20. (−∞,−4)v(−
`(2)/(3)`,+∞)