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OpenStudy (anonymous):
Explain why the vertical line test is used to determine if a graph represents a function.
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OpenStudy (harsimran_hs4):
a function will have a single value of y for every x so if a vertical line intersects the graph at more than 1 point then it implies than for a x there are more than one values i.e f(x) is not unique so it`s not a function
OpenStudy (anonymous):
thank you
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