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# Exponentials and logs exact values properties and domain and range

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### Exponentials and logs exact values properties and domain and range

1. 1. e-2 =
2. 2. Answer 1 = 2 e
3. 3. ln(3x5) =
4. 4. Answer=ln3 + lnx5=ln3 + 5lnx
5. 5. eln3=
7. 7.  xy 5 ln  6 =   
8. 8. Answer= ln x + 5 ln y − ln 6
9. 9. For y=lnx, can x = 0?
10. 10. Answer No!Domain of natural log is (0, ∞)
11. 11. For y=2x, can x be 0?
12. 12. Answer Yes! Domain of exponential is (−∞, ∞) any # to the 0 power is 1(0,1) point on parent graph
13. 13. For y=2x, can y be negative?
14. 14. Answer No!Range of exponential is (0, ∞)
15. 15. ln0 =
17. 17. lne2 =
18. 18. Answerlne2 = 2lne = 2(1) = 2
19. 19. ln1 =
21. 21. ln(-2) =