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College Algebra Math 130 Amy Jones Lewis. Homework Review  US Shirts HW  Hot Shirts HW.

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Presentation on theme: "College Algebra Math 130 Amy Jones Lewis. Homework Review  US Shirts HW  Hot Shirts HW."— Presentation transcript:

1 College Algebra Math 130 Amy Jones Lewis

2 Homework Review  US Shirts HW  Hot Shirts HW

3 One of U.S. Shirt ’ s competitors, Hot Shirts, advertises that they make custom T-shirts for $5.50 each with a one-time set-up fee of $ Your boss brings you the advertisement from Hot Shirts and asks you to figure out how the competition might affect business. Hot Shirts Using Tables, Graphs, and Equations

4 Hot Shirts Using Tables, Graphs, and Equations  Create a line graph of the data from your table.  First, choose your bounds and intervals.  Remember to label your graph clearly and add a title to the graph.  Use your graph to determine the price of:  40 shirts  27 shirts  Use your graph to determine how many shirts can be purchased for:  $125  $570.

5 Hot Shirts Using Tables, Graphs, and Equations  Write an algebraic equation for the problem situation.  In this lesson, you have represented the problem situation in four different ways: as a sentence, as a table, as a graph, and as an equation.  How are the representations connected?

6 Comparing U.S. Shirts and Hot Shirts In the last two activities you explored the costs of ordering T- shirts from two companies, U.S. Shirts and Hot Shirts. Your boss asks you to determine which company has the better buy for T-shirts in different situations. Using Tables, Graphs, and Equations

7  Compare the two pricing plans for different quantities of shirts.  Which company has the best deal?  Use tables and graphs to justify your conclusion.  BE SPECIFIC.  What does the point of intersection of the two lines tell you? Comparing U.S. Shirts and Hot Shirts Using Tables, Graphs, and Equations

8 Homework  Complete the half-sheet for Hot Shirts.  Next Class: Tuesday, September 14th


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