8. Solve. log 3 (4x - 5) = 4 Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. X= (Simplify your answer.) O B. There is no solution. 9. Solve the logarithmic equation. Be sure to reject any value of x that is not in the domain of the original logarithmic expressions. Give the exact answer. log 2(x + 5) + log 2(X - 1) = 4 Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. x= (Simplify your answer. Use a comma to separate answers as needed.) O B. There is no solution. 10. Solve the equation. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. ex - 3 = 15 O A. There is no solution. O B. x= (Round to four decimal places.) 11. Assuming annual compounding, find how long it would take for the general level of prices to double at the following annual inflation rates. a. 3% b. 7% C. 12% d. Check your answers using the Rule of 70 or the Rule of 72, whichever applies. a. It will take approximately |years. (Round to one decimal place as needed.) b. It will take approximately years. (Round to one decimal place as needed.) c. It will take approximately years. (Round to one decimal place as needed.) d. Use the Rule of 70 or the Rule of 72, whichever applies, to check your answer to a. It will take approximately years. (Round to one decimal place as needed.) Use the Rule of 70 or the Rule of 72, whichever applies, to check your answer to b. It will take approximately |years. (Round to one decimal place as needed.) Use the Rule of 70 or the Rule of 72, whichever applies, to check your answer to c. It will take approximately years. (Round to one decimal place as needed.)