7) The sales in thousands of new type of product are given by the formulaS(t) = 170 – 80e-0.9t,where t represents time in years. Find the rate of change of sales at the time when t = 7Give your final answer in thousand per year unit and round it to 1 digit after the decimal point.

Answered: Image /qna-images/answer/96675d6a-a503-43e1-a9c2-07ee74feb0e3.jpg

Answered: The sales in thousands of new type of…

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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A culture of the bacterium Salmonella enteritidis initially contains 50 cells. When introduced into a nutrient broth, the culture grows at a rate proportional to its size. After 1.5 hours, the population has increased to 925. (a) Find an expression for the number of bacteria after t hours. (Round your numeric values to four decimal places.) (b) Find the number of bacteria after 6 hours. (Round your answer to the nearest whole number.) (c) Find the rate of growth (in bacteria per hour) after 6 hours. (Round your answer to the nearest whole number.)
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The sales in thousands of new type of product are given by the formula S(t) = 170 – 80e-0.9t where t represents time in years. Find the rate of change of sales at the time when t = 7 Give your final answer in thousand per year unit and round it to 1 digit after the decimal point.