. Graph the relation. Is the relation a function? Why or why not?
{(-1, 1), (-2, 1), (-2, 2), (0, 2)}

Yes; there is only one range value for each domain value.

No; a range value has two domain values.

No; a domain value has two range values.

Yes; there is only one domain value for each range value.

The answer is letter B "No; a range value has two domain values".

For a relationship to be a function, there must be a one-to-one correspondence between the x and y values.  For every value of x, there must be only one value for y.  So the first set is a function and the second set is not.

No; a range value has two domain values.

Step-by-step explanation:

Output has to be unique for all inputs.

Output for -2 is not unique

Step-by-step explanation: It is either B or C

Since  

x  =  − 2

produces  

y  =  1

and  

y  =  2 , the relation  

( − 1 ,  1 ) ,     ( − 2 ,  1 ) ,     ( − 2 ,  2 ) ,     ( 0 ,  2 )

is not a function.

The relation is not a function.

No; a range value has two domain values

Step-by-step explanation:

y > 1/3x

y < = -x + 4

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