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Mathematics 7 Online
OpenStudy (anonymous):

If f(x) = x3 + x2 - x, find all points where f(x) and its inverse intersect.

OpenStudy (anonymous):

I believe it is \[f(x) = x^3 + x^2 -x\]

myininaya (myininaya):

i don't think its possible to find inverse of that one

OpenStudy (anonymous):

me too

OpenStudy (anonymous):

ok wait

OpenStudy (anonymous):

(0,0), (-2,-2), (1,1)

OpenStudy (anonymous):

The wonders of Wolfram http://www.wolframalpha.com/input/?i=inverse+f%28x%29+%3D+x3+%2B+x2+-+x

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