The figure above shows the graph of a certain equation in the \(xy\)-plane. The graph is a circle with center \(O\) and

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2020-12-15_14-17-57.png
The figure above shows the graph of a certain equation in the \(xy\)-plane. The graph is a circle with center \(O\) and circumference \(6\pi.\) At how many different values of \(y\) does \(x=-7.5?\)

A. \(0\)
B. \(1\)
C. \(2\)
D. \(4\)
E. In finitely many

The OA is C
Source: — Problem Solving |