Hey I am really confused on Functions, and my teacher does not know how to teach properly.. please help me!(adsbygoogle = window.adsbygoogle || []).push({});

I have couple of problems in book can someone explain to me how i would go about doing them...

Question: Determine whether the equation is a function?

#1: y= x²

#2: y= x³

#3: y= 1/x

#4: y= |x|

#5: y²=4-x²

Please explain to me!

Reply ASAP...

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# Need Help with Pre Calc Functions!

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