### Home > CCA > Chapter Ch4 > Lesson 4.1.2 > Problem 4-28

4-28.

Examine the graphs of each relation below. Decide if each is a function. Then describe the domain and range of each.

Is there more than one output value for a single input value? If so, it is not a function.

Determine the possible

-values to find the domain and the possible-values to find the range.It is not a function.

R:

Is there more than one output value for a single input value? If so, it is not a function.

Determine the possible

-values to find the domain and the possible-values to find the range.It is a function.

D: