5. TikTok is a video-focused social networking service, launched in 2017. A marketingstudent found out that the number of TikTok users between 2017 and 2020 can bemodelled by the function0.54tf(t) = 121.396e'0

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Answered: 5. TikTok is a video-focused social…

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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Similar questions

The U.S. population can be modeled by the function y=165.6x¹.345, where y is in thousands and x is the number of years after 1800. (a) What was the population in 1970, according to this model? (b) is the graph of this function concave up or concave down? What does this mean? (c) Use numerical or graphical methods to find when the model estimates the population was 94,150,000. (a) According to the model, the population in 1970 was thousands. (Round to the nearest integer as needed.)
29. For the years since a department store has been open, its annual revenue, R, (in millions of dollars) can be modeled by the function graphed below, where t is the number of years since the store opened.
2. Lijah opened an account at Advantis Credit Union. The balance of her account after x years is represented by the function b(x) = 500(1.05)*. What annual interest rate is Lijah earning? а. b. After how many years did it take for Lijah's balance to double? Show all of your work.
Element X is a radioactive isotope such that its mass decreases by 20% every year. Ifan experiment starts out with 730 grams of Element X, write a function to representthe mass of the sample after t years, where the monthly rate of change can be foundfrom a constant in the function. Round all coefficients in the function to four decimalplaces. Also, determine the percentage rate of change per month, to the nearesthundredth of a percent.

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5. TikTok is a video-focused social networking service, launched in 2017. A marketing student found out that the number of TikTok users between 2017 and 2020 can be modelled by the function f(t) = 121.396e0.54t 0