### Home > GB8I > Chapter 8 Unit 9 > Lesson INT1: 8.1.5 > Problem 8-76

8-76.

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

A relation is only a function if there is only one

-value for each-value. Are there any-values on this graph that have multiple-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).