Intermediate Algebra – Student Workbook – Second Edition 2013

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

Lesson 2a – Linear Functions and Applications Practice Problems b) Use your model to determine how much the cat will weigh in year 8. c) Use your model to determine how many years it would take for your cat to reach 20 pounds. Round to the nearest whole year. 3. Data below represent how many pushups Tim can do in a minute at the start of a 5-week exercise program and each week thereafter. Time, t, in weeks 0 1 2 3 4 5 Number of Pushups in a minute 2 6 10 14 18 20 a) Compute the average rate of change for the first three weeks. Be sure to include units. b) Compute the average rate of change for the 5-wk period. Be sure to include units. c) What is the meaning of the average rate of change in this situation? d) Do the data points in the table define a perfectly linear function? Why or why not? Scottsdale Community College Page 66 Intermediate Algebra
Lesson 2a – Linear Functions and Applications Practice Problems 4. You decided to save up for a vacation to Europe by throwing all your loose change in a large coffee can. After a few months, you discover that the jar is 2 inches full and contains $124. a) Determine the average rate of change, in $/inch (Dollars per inch), for the coffee can from when it was empty (0 inches) to when it was 2 inches deep. b) A month later, you check the can and find the change is 3 inches deep and adds up to $186. Find the average rate of change, in $/inch, for the coffee can from 0 inches to 3 inches. c) What is the MEANING of the average rate of change in this situation? You do some additional calculations and create a table for your can of change. d, depth of the change in inches V, value of the can in dollars 0 0 2 124 3 186 5 310 10 620 d) Use the information found so far to write an equation that describes this situation. Use function notation and the variable names from the table. e) You need $1000 for your vacation. In a complete sentence, state how deep the change has to be to reach your goal. Also, write the results as an ordered pair and in function notation. Scottsdale Community College Page 67 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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Page 19 and 20: Lesson 1a - Introduction to Functio
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Lesson 3a - Introduction to Exponen
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Lesson 3b - More Exponential Functi
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Lesson 4b - More on Logarithms This
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Lesson 5a - Introduction to Quadrat
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Lesson 5b - Solving Quadratic Equat
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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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