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Kendra drew the graph of G(x). She noticed that it was possible to draw a horizontal line that intersected the graph in two points. Which best describes what that means?

A.The inverse of G(x) is not a function.
B.The inverse of G(x) is a function.
C.G(x) is a function.
D.G(x) is not a function.

User Dickens
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Answer: option A. The inverse of G(x) is not a function.

Because that means that for some values of x, say x = a and x = b, G(a) = G(b) = Z, then you cannot tell whether the value that generates Z corresponds to a or b.
User Mikolaytis
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