Content / MATH 132-CO3 Busin x 4 WeBWork : Math-132-Elashvili-f x + C webwork.bridgew.edu/webwork2/Math-132-Elashvili-f23/quiz_mode/Exam_1/?effectiveUser=m5nunes O Remaining time: 01:27:02 Problem 12. (10 points) 126 A certain investment is growing according to the model F = 4500 ( 1 + 0.07 12 1. How much was the initial investment? 2. How many times is this investment compounded each year? 3. What is the annual interest of this investment, as a decimal? 4. What is the effective annual interest of this investment, as a decimal? 5. How long will it take for this investment to triple? Note: You can earn partial credit on this problem. preview answers Problem 13. (12 points) An $2000 investment earns 10% interest, compounded 1 times per year.Content / MATH 132-CO3 Busin x WeBWork : Math-132-Elashvili-f x + C webwork.bridgew.edu/webwork2/Math-132-Elashvili-f23/quiz_mode/Exam_1/?effectiveUser=m5nunes Problem 13. (12 points) Remaining time: 01:26:42 An $2000 investment earns 10% interest, compounded 1 times per year. 1. Write a formula for the value of the investment as a function of the number of years t. 2. Calculate the value of the investment after 5 years. 3. How long will it take for this investment to double? Note: You can earn partial credit on this problem. preview answers Problem 14. (8 points) Solve each equation for . (a) 5 Inx = 1 (b)e-* = 7 (a) ( b )