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

if the tangent line to the graph of y=f(x) at (2.3) has an equation x-y+1=0, then f'(2) =?

3. The attempt at a solution

We did these problems in one small session at the beginning of the semester, but my notes aren't clear and I am not sure where to begin. Do I just take the first derivative of the equation and then find f'(2)?

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# Homework Help: Tangent line

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