The sales of a new high-tech item (in thousands) are given byS(t) = 102 - 90 e -0.31where t represents time in years. Find the rate of change of sales at each time.a.) After 1 year. b.) After 5 years. c.) What is happening to the rate of change of sales as time goes on? d.) Does the rate of change of sales evea. The rate of change after 1 year is thousand items per year.(Round to three decimal places as needed.)b. The rate of change after 5 years is thousand items per year.(Round to three decimal places as needed.)c. What is happening to the rate of change of sales as time goes on?O A. It always decreases.O B. It always increases.O C. First it increases, then it decreases.O D. First it decreases, then it increases.d. Does the rate of change of sales ever equal zero?O YesO NoClick to select vour answer/e)

The sales of a new high-tech item (in thousands) is given by

Answered: The sales of a new high-tech item (in…

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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