Name:____________________________ Ch 3 Test 2 Review Solve the equation. Circle your final answer. 1. log ! + 6 = log ! 3 − 6 2. ln 765 = ln 3. −6 − 7 log ! −4 − 9 = −6 4. log ! − log −5 = 2 5. 3 !!!! = 81 6. ! = 256 7. 4 5 !! = 48 8. !! − 2 ! − 15 = 0 9. 3 !!! = 2 !!! 10. 4 !!! = ! ! ! 11. log ! − 2 + log ! + 3 = log ! 14 12. 5 !!!! = 5 !!! 13. ln 5 = −2 14. log + log 3 = log 18 15. log(7 + 3) − log + 1 = log 2 16. 12 ! = 12 !"# 17. Mr. X invested a sum of money in a CD that earns 7.5% interest compounded continuously. If Mr. X made the investment on March 1, 2010, and the account was worth $10,000 on March 1, 2015, what was the original amount in the account?