Does this graph represent a function? Why or why not?

A. No, because it is not a straight line.
B. Yes, because it is a curved line.
C. Yes, because it passes the vertical line test.
D. No, because it fails the vertical line test.

Does this graph represent a function Why or why not A No because it is not a straight line B Yes because it is a curved line C Yes because it passes the vertica class=