Consider the function (x)=x²+2x . Using the limit definition of the derivative, show that for any real number a, the derivative of this function exists at x=a and is equal to 2a+2.

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter4: Calculating The Derivative
Section4.CR: Chapter 4 Review
Problem 16CR
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Consider the function (x)=x²+2x . Using the limit definition of the derivative, show
that for any real number a, the derivative of this function exists at x=a and is equal to
2a+2.
Transcribed Image Text:Consider the function (x)=x²+2x . Using the limit definition of the derivative, show that for any real number a, the derivative of this function exists at x=a and is equal to 2a+2.
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