Q Math 30 Homework Quiz 8 Answers E. x = -8 + ln?4/ln?5 Solve the exponential equation 5x + 8 = 4. 2. A. ln 5 – 7 Solve the exponential equation ex + 7 = 5. 3. D. 0.4865 Solve the exponential equation e4x = 7. Use your calculator to obtain a decimal approximation, correct to four decimal places, for the solution. 4. C. $111,000 You deposit $50,000. in an account paying 8% annual interest, compounded monthly. How much money is in the account after 10 years? Round off to the nearest $1000. 5. A. 46 years A country’s population is described by the model A = 1050e0.015t, where t is years. How long will it take the population to double? Round off to the nearest year.