Does the table describe x as a function of$$ y$?$

A$.$

$$Yes$,$ each output y is assigned to exactly one input x$.$

B$.$

$$No$,$ more than one output value x is assigned to the input$$ y$-$value

$$

$1.$

C$.$

$$Yes$,$ exactly one output x is assigned to each input y$.$

D$.$

$$No$,$ more than one output value y is assigned to the input$$ x$-$value

$$

enter your response here.