The limit  lim  x-> 0  e^x-1/x  equals a derivative f' (c), for some function f(x) and some real number c.  (i) find f(x) and c.  (ii) Use the derivative of the function f(x) to evaluate the limit.  (iii) Find an equaiton of the tangent line to y = f(x) at x = c, for the value of c you found in (i).

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.
Chapter3: The Derivative
Section3.5: Graphical Differentiation
Problem 2E
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The limit 

lim  x-> 0  e^x-1/x 

equals a derivative f' (c), for some function f(x) and some real number c. 

(i) find f(x) and c. 

(ii) Use the derivative of the function f(x) to evaluate the limit. 

(iii) Find an equaiton of the tangent line to y = f(x) at x = c, for the value of c you found in (i). 

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ISBN:
9780321964038
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