February 23, 2017

Homework Help: Algebra

Posted by y912f on Friday, May 7, 2010 at 12:27pm.

53. Determine if y=x^2 is a function.

i think the answer is yes, but can someone explain to me why it's yes, and how you find out if it's a function or not.

I know that for every value of x there should be one value of y, but how do you figure that out in a problem like this?

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