Intermediate Algebra – Student Workbook – Second Edition 2013

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$Lesson 2a – Assessment - Scottsdale Community College - Math Blog$

Lesson 3b – More Exponential Functions Practice Problems 7. In the following problem, you will be analyzing the depreciation of two cars. You can buy a Honda Civic for $20,000 or a BMW for $30,000. The depreciation rate for the Civic is 6% per year. The depreciation rate for the BMW is 10% per year. a) Determine the equation that models the depreciation of the Civic. Clearly indicate what each variable represents. b) Determine the equation that models the depreciation of the BMW. Clearly indicate what each variable represents. c) When would the Honda be worth half its original price? d) When would the BMW be worth half its original price? e) When would the value of both cars be equal? Scottsdale Community College Page 136 Intermediate Algebra
Lesson 3b – More Exponential Functions Practice Problems 8. On April 1, 2000 (Census day), the population of Scottsdale, AZ was 202,625. On April 1, 2010, the population of Scottsdale, AZ was 217,385. a) Use this information and your graphing calculator to determine an exponential regression equation that expresses the population, P, of Scottsdale, AZ x years since 2000. b) Use the equation found in part a to predict the population of Scottsdale, AZ on April 1, 2013. Show all work, and write your answer in a complete sentence. Round your answer to the nearest whole number. c) Use the equation found in part a to predict the year in which the population of Scottsdale AZ will reach 500,000. Show all work, and write your answer in a complete sentence. d) Based on the equation found in part a, at what percent rate is Scottsdale’s population increasing each year? Scottsdale Community College Page 137 Intermediate Algebra
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Scottsdale Community College Interm
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Table of Contents Lesson 1a - Intro
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Lesson 1a - Introduction to Functio
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Lesson 1b - Linear Equations In the
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Lesson 1b - Linear Equations Mini-L
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Lesson 2b - Functions and Function
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Lesson 6a - Exponents and Rational
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Lesson 6b - Rational Exponents & Ra
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Lesson 6b - Rational Exponents and
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Appendix A: You Try Answers Lesson
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Appendix A: You Try Answers You Try
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Intermediate Algebra – Student Workbook – Second Edition 2013

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