The mapping diagram represents a relation where x represents the independent variable and y represents the dependent variable.
x-values
y-values
-4
-5
543
-3
-2
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