3. The cost (in dollars) of producing x units of a certain commodity is C(x)=100+50x-0.02x (a) Find the average rate of change of C with respect to x when the production level is changed from x=100 to 105 . (b) Find the instantaneous rate of change of C with respect to x when x=100 and interpret the value of it.

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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