Question

Which graph does not represent a function?
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Intro
Done

Answer 1

The third one (the elliptical shape) is not a function

Explanation:

Every x value of a function must be paired to a single y value. One really easy way to tell of a graph is a function is called the "vertical line test." This says that if a vertical line drawn anywhere in the graphed area passes through more than one point, it is not a function.