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avatar+36 

f (x +h) - f(x)/h

f(x) = x^2 + 4x

 

f (x +h) - f(x)/h =?

 Sep 25, 2020
 #1
avatar+111127 
+1

Firstly your formula is not quite right, you need the extra brackets

 

[f (x +h) - f(x)] / h

f(x) = x^2 + 4x

 

[f (x +h) - f(x)] / h =?

 

 f(x+h)   = (x+h)^2+4(x+h)

 

Just write it all down and simplify. 

If you have more problems with this then say so but try and explain what the problems are.

 Sep 26, 2020

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