Intermediate Algebra – Student Workbook – Second Edition 2013

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

Lesson 1a – Introduction to Functions Assessment 4. Bill is planning to sell bottled water at the local carnival. He buys 2 crates of water (800 bottles) for $240 and plans on selling the bottles for $1.50 each. Bill’s profit, P in dollars, from selling b bottles of water is given by the formula P(b) = 1.5b – 240. a) In a complete sentence, interpret P(250)= 135. b) Determine P(100) and interpret its meaning in a complete sentence. c) For what value of b is P(b) = 0? Write a sentence explaining the meaning of your answer. d) Determine the practical domain. Use proper notation and include units. e) Determine the practical range. Use proper notation and include units. f) Use your graphing calculator to generate a graph of P(b). Use the practical domain and range to define the appropriate viewing window. Sketch the graph from your calculator screen, and write down the viewing window you used. Xmin=____________ Xmax=____________ Ymin=____________ Ymax=___________ Scottsdale Community College Page 26 Intermediate Algebra
Lesson 1b – Linear Equations In the first lesson we looked at the concepts and rules of a Function. The first Function that we are going to investigate is the Linear Function. This is a good place to start because with Linear Functions, change is constant and no exponents are involved. Before we begin working with Linear Functions, though, we need to review the characteristics of Linear Equations and operations on Linear Equations. Lesson Objectives: 1. Identify LINEAR EQUATIONS 2. Determine slope and y-intercept for a LINEAR EQUATION 3. Determine the x-intercept for a LINEAR EQUATION 4. Draw graphs of LINEAR EQUATIONS 5. Graph Horizontal and Vertical lines 6. Write LINEAR EQUATIONS Scottsdale Community College Page 27 Intermediate Algebra
Page 1 and 2: Scottsdale Community College Interm
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Lesson 2b - Functions and Function
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Intermediate Algebra – Student Workbook – Second Edition 2013

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