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  1. The graphs of several relations are shown below. Decide if each is a function. If the relation is not a function, explain why not. Homework Help ✎

  2. a.



A relation is only a function if there is only one y-value for each x-value. Are there any x-values on this graph that have multiple y-values?

This relation is a function.

See the help for part (a).

This relation is not a function.Be sure to explain why.

See the help for part (a).