The mapping diagram represents a relation where x represents the independent variable and y represents the
dependent variable.
x-values
-4
-2
0
3
y-values
-5
-4
-3
-2
-1
Is the relation a function? Explain.
O No, because for each input there is not exactly one output
O No, because for each output there is not exactly one input
O Yes, because for each input there is exactly one output
O Yes, because for each output there is exactly one input