How do you find the inverse of $y = 3 x^{2} + x$ $y=3x^2+x$ and is it a function?

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How do you find the inverse of $y = 3 x^{2} + x$ $y=3x^2+x$ and is it a function?

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Answer 1 · 2016-04-30T01:23:14

Looking at the graph of $y$ $y$ we see that it does not have an inverse because it violates the "Horizontal Rule Test" which is :
Draw a horizontal across the graph of y and if it crosses the graph twice it does not have an inverse.
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How do you find the inverse of $y = 3 x^{2} + x$ $y=3x^2+x$ and is it a function?

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How do you find the inverse of $y = 3 x^{2} + x$ $y=3x^2+x$ and is it a function?