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Is this a function ? y= ±√x

Is this a function ? y= ±√x
asked 79.3k views
0 votes
Is this a function ?

y= ±√x

asked
User Govind Malviya
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7.8k points

1 Answer

5 votes

That plots out a sideways parabola. It fails the vertical line test, so it is not a function.

answered
User GarlicBread
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8.3k points
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