A new DVD is available for sale in a store one week after its release. The cumulative revenue, $R, from sales of the DVD in this store in week t after its release is R = f(t) = 390lnt with t > 1. Find f(5), f' (5), and the relative rate of change at t = 5. Round- at t = 5 to three decimal places and round f(5) and f'(5) to two decimal places. f(5) = i f' (5) = i i Interpret your answers in terms of revenue. Round the last answer to one decimal place. Five weeks after the DVD was released, the revenue from sales is $i , and is + at a rate of $ i per week, or i % per week.
A new DVD is available for sale in a store one week after its release. The cumulative revenue, $R, from sales of the DVD in this store in week t after its release is R = f(t) = 390lnt with t > 1. Find f(5), f' (5), and the relative rate of change at t = 5. Round- at t = 5 to three decimal places and round f(5) and f'(5) to two decimal places. f(5) = i f' (5) = i i Interpret your answers in terms of revenue. Round the last answer to one decimal place. Five weeks after the DVD was released, the revenue from sales is $i , and is + at a rate of $ i per week, or i % per week.
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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
Transcribed Image Text:A new DVD is available for sale in a store one week after its release. The cumulative revenue, $R, from sales of the DVD in this store
in week t after its release is
R = f(t) = 390lnt with t > 1.
Find f(5), f' (5), and the relative rate of change at t = 5.
Round at t = 5 to three decimal places and round f(5) and f'(5) to two decimal places.
f(5) =
i
f'(5) =
i
i
Interpret your answers in terms of revenue. Round the last answer to one decimal place.
Five weeks after the DVD was released, the revenue from sales is $ i
, and is
at a rate of
$ i
per week, or
i
% per week.
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