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Definition of Functions Exercise 2

Given that f(x) = x2 - x  and h≠ 0, show that the expression [f(x + h) - f(x)]/h = 2x + h - 1.  Justify all steps.

 

STATEMENT JUSTIFICATION
f(x) = x2-x   and   h≠0

 Given

Given

 

 

 

 

 

 

 

 

 

 

 
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