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1 vote
Is y = 3x² + 2 a function or not?

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1 vote
Yes, it's a quadratic function.
User 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.
User Elytscha Smith
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