11.9E: Exercises
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In the following exercises,
1.
3.
5.
7.
In the following exercises, solve each inequality algebraically and write any solution in interval notation.
1. (−∞,−4]∪[1,∞)
3. (2,5)
5. (−∞,−5)∪(−3,∞)
7. [2−√2,2+√2]
9. (−∞,5−√6)∪(5+√6,∞)
11. (−∞,−52]∪[−23,∞)
13. [−12,4]
15. (−∞,∞)
17. no solution
19. (−∞,∞)
1. Answers may vary.
3. Answers may vary.
a. After completing the exercises, use this checklist to evaluate your mastery of the objectives of this section.
b. On a scale of 1-10, how would you rate your mastery of this section in light of your responses on the checklist? How can you improve this?