M112 HW11 Exponential Functions 2

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University Of Arizona *

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112

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Mathematics

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Apr 3, 2024

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Math 112 Written Homework 11: Exponential Functions Student Name: Math 112 Section: Directions: Work out these problems on scratch paper first, then write your final answers by hand on these pages. Show all work, and answer each question that is asked. All graphs should be drawn accurately on this sheet and be fully labeled. Staple all pages together. Upload these pages to D2L in the assignment tab. 1. Charla would like to save $14,000 for a down payment for her first house. She currently has $11,000. At what interest rate, compounded quarterly, would she need to invest her money in order to have the required $14,000 in 5 years? Round your final answer to the nearest hundredth of a percent. Elligohnson og t x 4 I 1 272 xt y 415 5.09 bqia 3 gg bgx 3.932

Math 112 Written Homework 11: Exponential Functions Student Name: Math 112 Section: 2. A car with an initial value of $35,000 depreciates exponentially. The value of the car after 4 years is estimated to be $16,000. a. Write an exponential function to model the value of the car after ࠵? years. b. What does your model predict the value of the car to be after 10 years? Round your final answer to the nearest dollar. 03500010.8645 35,000 16,000 4 880 43 71 9 19.0 4750

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M112 HW11 Exponential Functions 2

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