(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

Find an equation for the line tangent to to the graph of f^-1 at the pt (3,1) if f(x)=x^3+2x^2-x+1

2. Relevant equations

3. The attempt at a solution

I used the Inverse Function Thm

1/(3x^2+4x)

Now do I plug in 3 to this to find slope?

1/21

y-1=1/21(x-3)

y-1=1/21x-1/7

y=1/21x+6/7

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# Homework Help: Tangent Line

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