Exercises 3.2, page 92
1. is never greater than 2. The range is all real numbers
3. 4 mA, 0 mA
5. Domain: all real numbers; range: all real numbers
7. Domain: all real numbers except 0; range: all real numbers except 0
9. Domain: all real numbers range: all real numbers
11. Domain all real numbers range: all real numbers cannot be negative
13. Domain: all real numbers; range: all real numbers
15. All real numbers
17. All real numbers
19. domain all x except 0
21. 2, 2, not defined
23. 2, 0.75
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2900 L
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