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Exponentials and logs exact values properties and domain and range

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