12.5.2 Test (CST): Functions Does this graph show a function? Explain how you know.
XA
A)
A. No; the graph fails the vertical line test.
O B. No; there are y-values that have more than one x-value.
O C. Yes, the graph passes the vertical line test.
D. Yes, there are no y values that have more than one x-value.
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