Is y = 3x² + 2 a function or not?

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asked Aug 28, 2019 78.5k views

1 vote

Is y = 3x² + 2 a function or not?

Mathematics
middle-school

Tanner Babcock asked

by Tanner Babcock

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2 Answers

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Yes, it's a quadratic function.

Eslam Tahoon answered Aug 28, 2019

by Eslam Tahoon

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4 votes

A function would have one Y value for every X value.
If you replace X with any number and solve the equation there would be a different Y value every time, so this equation is a function.

Elytscha Smith answered Sep 2, 2019

by Elytscha Smith

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