### Home > AC > Chapter 11 > Lesson 11.3.1 > Problem 11-100

11-100.

For each relation graphed in problem 11-99, explain whether it is a function. If the relation is not a function, give a reason to support your claim.

A function can have only one output value

It is not a function because there are two

-values for at least one-value.

It is a function.

It is a function.

It is not a function because there are two

-values for at least one-value.