2.1 Re-Teach Worksheet Name _______________ Intermediate Algebra Learning Target: I can demonstrate understanding of the definition of a function and can determine when relations are functions given a graph, table or real-world situation. 1. Is the relation { (-6, 1), (2, -4), (3, 2), (6, 1) } a function? Explain your reasoning. 2. Is the relation { (-3, 2), (1, 5), (0, 2), (1, -7) } a function? Explain your reasoning. 3. Add one ordered pair to the following table a. on line A that keeps the relation a function. b. on line B that makes the relation not a function. c. Explain your solutions. x y -3 -2 7 0 4 –1 3 2 A B 4. State which of the following are functions and which are not. Explain your reasoning. A B C D 2.1 Re-Teach Worksheet Name _______________ Intermediate Algebra 5. You would like to make each of the following a function. Determine which variable should be the input and which variable should be the output so this relation is a function? Circle one solution for each: First Name: input output Social Security #: input output Circle one solution for each: Fingerprint: input output Eye Color: input output 6. The graph above show Susie’s distance in meters from home versus time in seconds. Answer the following questions. a.) How far from home is Susie after 1 minute? After 2 minutes? b.) What is the furthest from home Susie travels? c.) Write a story to explain what Susie’s travel.

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