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1. What information does this graph show? 2. How much does it cost to produce: a. thirty-five 19-inch televisions? b. twenty-five 19-inch televisions? c. thirteen 19-inch televisions? 3. How much does it cost to produce: a. forty-five 21-inch televisions? b. fifteen 21-inch televisions? c. eight 21-inch televisions?

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4. How many of each type of television must be produced for the costs to be the same? How do you know? 5. Use the graph to predict the cost of producing: a. sixty 19-inch televisions. b. sixty 21-inch televisions. c. one hundred 21-inch televisions. d. one hundred 19-inch televisions.

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Extra credit: Find an algebraic expression or equation for the cost to produce 19-inch televisions. Find another algebraic expression or equation for the cost to produce 21-inch televisions. Rule for producing 19-inch televisions: Rule for producing 21-inch televisions:

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Task 2 A mountain climber is currently 77 feet above ground level on the side of a cliff. She is climbing at the rate of about 7 feet per minute. Answer the following questions in complete sentences. 1. How many feet above ground level will she be in: a. 10 minutes? b. 25 minutes? 2. Currently, how many feet above ground level is she? 3. How many feet above ground level was she: a. 5 minutes ago? b. 10 minutes ago? c. 15 minutes ago? 4. How many minutes ago did she start her climb?

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5. When will she be: a. 154 feet above ground level? b. 175 feet above ground level? c. 287 feet above ground level? 6. The top of the cliff is 450 feet above ground level. When will she reach the top of the cliff? 7. Write an algebraic rule for the climber's height above ground level.

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8. Fill in this table for the problem.

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9. Construct a graph for this problem.

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