Alg2Trig 7.4 Answers Write each expression as a single logarithm. 1. log ! 12 2. log ! 5 3. log ! 1 = 0 4. log ! π₯ ! 6. log 14 !! 7. log ! ! 5. log ! 15π₯ 8. log ! !β ! ! ! 9. log ! 100π₯π¦ ! 10. log 8 11. log 3x 12. log 64 ! 14. log π₯ !! 15. log ! ! !! 18. log ! 13. log ! ! 16. log ! 17. log ! ! ! Expand each logarithm. Simplify if possible. 19. log ! π₯ β log ! π¦ β log ! π§ 20. log 6 + 3log π₯ + log π¦ 21. log 7 + 2 log 3π₯ β 2 ! 22. ! log 2 + log π + log π + log π‘ β log 5 β log π€ 23. 1 β 5 log ! π₯ 24. log 2 + 2 log π₯ + log π¦ β log 3 β 3 log π 25. 2 log ! 3 + log ! π₯ + log ! π¦ + log ! π§ 26. 378 dB 27. about 2.6 dB 28. 12 29. 5 30. 3 31. 1 32. 4 ! ! ! !
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