The monthly revenue R (in dollars) of a telephone polling service is related to the number a ofcompleted responses by the functionR(x) = -13000+30/2.5x² + 20x, 0 ≤x≤1000.If the number of completed responses is increasing at the rate of 10 forms per month, find the rate atwhich the monthly revenue is changing when x = 500.The monthly revenue is changing by $per month.

Answered: The monthly revenue R (in dollars) of a…

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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