SOLUTION: is the inverse of f(x)=2x^2-3x+4 a function?

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Question 434302: is the inverse of f(x)=2x^2-3x+4 a function?
Answer by solver91311(24713) About Me  (Show Source):
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The inverse:



So choose a value for x and substitute it (if you choose x = 4 everything comes out rational. How many different values result? If it is more than one, then the inverse is NOT a function.


John

My calculator said it, I believe it, that settles it
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