SOLUTION: How to solve f(x)=4x f(x+h)-f(x)/h cannot = 0

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Question 182135: How to solve f(x)=4x
f(x+h)-f(x)/h cannot = 0

Answer by tvandenberg(45)   (Show Source): You can put this solution on YOUR website!
You should be taking limits, so you're effectively trying to determine what number it was just before it goes undefined. I would help more if the question was more clearly worded.
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