CPM Homework Help : AC Problem 11-100

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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.

Hint:

A function can have only one output value $\left(y\right)$ for each input value $\left(x\right)$ .

Answer (a):
It is not a function because there are two $y$ -values for at least one $x$ -value.

Answer (b):
It is a function.

Answer (c):
It is a function.

Answer (d):
It is not a function because there are two $y$ -values for at least one $x$ -value.

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