9:09 Course MATH 132-CO3 Busin... . . . Problem 16. (1 point) Problem 19. (1 point) A certain investment is growing according to the model F = Say you have invested $25000 at a yearly interest rate of 8.5 8500 1 0.29 1 Years = 1. How much was the initial investment? Answer(s) submitted: no response submitted: (incorrect) 2. How many times is this investment compounded each year? recorded: (incorrect) Problem 20. (1 point) 3. What is the annual interest of this investment, as a decimal? Find the principal needed to get $700 in 4 years at 14% com- pounded monthly Principal = $ 4. What is the effective annual interest of this investment, as a decimal? Answer(s) submitted: no response submitted: (incorrect) 5. How long will it take for this investment to triple? recorded: (incorrect) Problem 21. (1 point) Answer(s) submitted: . no response Alien Publications owns a printing press. The press will need to . no response be replaced when it is worth only 7.7% of its current worth. It . no response depreciates (decreases in value) by 5.4% per year. . no response . no response 1. Suppose you the original value of the press is P dollars. Write submitted: (incorrect) a formula for the value remaining after / years. recorded: (incorrect) Future value = Problem 17. (1 point) Enter your answer as a function using the variables P and () Find the time required for an investment of 5000 dollars to grow to 8400 dollars at an interest rate of 7.5 percent per year, com- 2. Find the time / when they will need to replace the press. pounded quarterly. - years Your answer is f = - years. (Enter your answer in exact form, or keep at least three deci- mal places of accuracy) Answer(s) submitted: Answer(s) submitted: . no response . no response submitted: (incorrect) no response recorded: (incorrect) submitted: (incorrect) Problem 18. (1 point) recorded: (incorrect) If a bank pays an APR of 17% compounded annually, how much Problem 22. (1 point) should be deposited now to have $1000 : At what interest rate (compounded daily) should you invest if you a) 3 years later would like to grow $3,766.14 to $4,153.00 in 75 days? Answer = $. % b) 4 years later Answer = $_ (Note: Your answer should be accurate to two decimal places) Answer(s) submitted: Answer(s) submitted: . no response . no response . no response submitted: (incorrect) submitted: (incorrect) recorded: (incorrect) recorded: (incorrect) Problem 23. (1 point) Problem 24. (1 point) A town has a population of 1300 people at time f = 0. In each of P = f(1) gives the size of a population that begins with 21,000 the following cases, write a formula for the population P. of the members and grows at a continuous annual rate of 1.91%. town as a function of year . Find a formula for the population, (a) The population increases by 50 people per year. P = f(1) = -(do not include any commas in your formula) P= people Answer(s) submitted: . no response (b) The population increases by 4 percent a year. submitted: (incorrect) recorded: (incorrect) P= . people Problem 25. (1 point) Answeris) submitted: Stream Courses Calendar More9:09 Course MATH 132-CO3 Busin... . . . Problem 9. (1 point) Problem 12. (1 point) Evaluate the expression, correct to six decimal places, by the Evaluate the expression, reduce to simplest form. Change of Base Formula and a calculator. (a) 210827 log, 97 = Your answer is Answer(s) submitted: . no response (b) 10log6 submitted: (incorrect) Your answer is recorded: (incorrect) (c) elas Your answer is Answer(s) submitted: Problem 10. (1 point) no response In each part, find the value of x in simplest form. . no response . no response (a) x = log3 () submitted: (incorrect) X = _ recorded: (incorrect) (b) x = log 10 V10 Problem 13. (1 point) Find the number x such that (c) x = log 10 0.01 81 = = X= Answer(s) submitted: . no response Answer(s) submitted: . no response . no response . no response submitted: (incorrect) submitted: (incorrect) recorded: (incorrect) recorded: (incorrect) Problem 14. (1 point) Solve the following equation. If necessary, enter your answer as an expression involving natural logarithms or as a decimal approx- Problem 11. (1 point) imation that is correct to at least four decimal places. In each part, find the value of x in simplest form. 45/4 = 3 (a) x = Ine-1 Answer(s) submitted: . no response (b) x = Ine4 submitted: (incorrect) recorded: (incorrect) (c) x = In(1/e) X = Problem 15. (1 point) Answer(s) submitted: Solve 9 8 = 9 for x without using a calculating utility. no response Use the natural logarithm anywhere that logarithms are needed. . no response . no response Answer: x = - submitted: (incorrect) Answer(s) submitted: recorded: (incorrect) . no response submitted: (incorrect) recorded: (incorrect) Problem 16. (1 point) Problem 19. (1 point) A certain investment is growing according to the model F = Say you have invested $25000 at a yearly interest rate of 8.5 8500 ( 1 + 0.29\\ U Years =. 1. How much was the initial investment? Answer(s) submitted: . no response submitted: (incorrect) 2. How many times is this investment compounded each year? recorded: (incorrect) Stream Courses Calendar More9:09 Course MATH 132-CO3 Busin... . . . recorded: (incorrect) submitted: (incorrect) Problem 18. (1 point) recorded: (incorrect) . " of 17% compounded annually, how much Problem 22. (1 point) to have $1000 : 5 of 5 At what interest rate (compounded daily) should you invest if you would like to grow $3,766.14 to $4,153.00 in 75 days? b) 4 years later Answer = $ (Note: Your answer should be accurate to two decimal places) Answer(s) submitted: Answer(s) submitted: . no response . no response . no response submitted: (incorrect) submitted: (incorrect) recorded: (incorrect) recorded: (incorrect) Problem 23. (1 point) Problem 24. (1 point) A town has a population of 1300 people at time ? = 0. In each of P = f(1) gives the size of a population that begins with 21.000 the following cases, write a formula for the population P, of the members and grows at a continuous annual rate of 1.91%. town as a function of year . Find a formula for the population, (a) The population increases by 50 people per year. P = f(1) = (do not include any commas in your formula) P= people Answer(s) submitted: . no response (b) The population increases by 4 percent a year. submitted: (incorrect) recorded: (incorrect) P= - people Problem 25. (1 point) Answer(s) submitted: A city had a population of 6,886 at the begining of 1953 and has . no response been growing at 8.2% per year since then. . no response submitted: (incorrect) (a) Find the size of the city at the beginning of 2004. recorded: (incorrect) Answer: (b) During what year will the population of the city reach 18,389.643 ? Answer: Answer(s) submitted: . no response . no response submitted: (incorrect) recorded: (incorrect) Generated by OWell Work, Imp:fact Stream Courses Calendar More