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

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

Does this graph represent a function Why or why not AYes because it is a curved line BNo because it is not a straight line CNo because it fails the vertical lin class=

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winterbeaver
D. No x value has more than one y value so it's a function.
D.Yes, because it passes the vertical line test.