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Use the relationship graphed at right to answer the questions below. Homework Help ✎

  1. Is the relation a function?

    Does there appear to be more than one -value for each value of ?

    Yes, it is a function.

  1. What is the domain?

    Look at the -intercepts on the graph.

  1. What is the range?

    Look at the lowest and highest points on the graph.

1-81 graph image