Keystone Review Unit 5

Last updated about 3 years ago
44 questions
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Lesson 1: Identifying and Representing Patterns
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Lesson 2: Relations and Functions
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Lesson 3: Linear Functins
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1a. Graph the points fromthe table. Label each axis.

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1b. Identify the domain and range of the data. Name the values and what they represent.

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1c. Explain how you know whether or not this relation is a function.

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2a. Write an equation to show the relationship between n, the nubmer of T-shirts printed, and C, the total cost in dollars.

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2b. Graph your equation on this coordinate plane. Be sure to include an appropriate scale on each axis.

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2c. What would be the total cost of an order of 120 T-shirts?

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2d. Explain how you found your answer to part C.

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3a. Does this grpah describe a function? Explain why or why not.

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3b. Write an equation to describe the relationship shown in the graph.

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3c. Explain the meaning of the variables in your equation.

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3d. According to your equation, if a building is 160 meters tall, what would be the length of its shadow?

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4a. Graph the function y = -0.05x + 12 for -40 ≤ x ≤ 40 on the coordinate plane.

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4b. What are the domain and range of the part o fthe function you graphed?

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4c. What is the meaning of the point on your graph where x = -40? Explain.

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4d. Explain why the function y = -0.05x - 12 cannot describe the changing amount of daylight for an entire year.

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5a. Let h represent the plant's height in inches t months after Olivia bought it. Complete the table to show the values of h for t = 0,3, 6, 9, 12.

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5b. Write an equation that describes the relationship between t and h.

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5c. Use your equation to find how many months it will take the plant to reach a height of 21 inches. Show your work.