



 
Hi Marcia, Write down the definition of the derivative f '(x) and simplify the expression using the fact that for any x and y
Evaluate the limit to find f '(x). Use antidifferentiation to find f(x). Antidifferentiation introduces a constant but if you know the value of f(0) you can evaluate the constant. Can you use the expression (*) to find f(0)? Penny  


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