The following graph shows the rate of change n(t) of the number of active eBay users, in millions of users per quarter, from the first quarter of 2008 through the first quarter of 2011 (t is time in quarters; t = represents the first quarter of 2008).† n(t) 34 2.5 1.5 1 0.5 2 4 6 10 12 14 -0.5

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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The following graph shows the rate of change n(t) of the number of active eBay users, in millions of users per quarter, from the first quarter of 2008 through the first quarter of 2011 (t is time in
quarters; t = 1 represents the first quarter of 2008).†
n(t)
3
2.5
1.5
1
0.5
2
4
6.
10
12
14
-0.5
-1
Use a left Riemann sum with three subdivisions to estimate the total change in the number of active users (in millions) from the second quarter of 2008 to the fourth quarter of 2009 (the interval
[2, 8]).
million users
2.
Transcribed Image Text:The following graph shows the rate of change n(t) of the number of active eBay users, in millions of users per quarter, from the first quarter of 2008 through the first quarter of 2011 (t is time in quarters; t = 1 represents the first quarter of 2008).† n(t) 3 2.5 1.5 1 0.5 2 4 6. 10 12 14 -0.5 -1 Use a left Riemann sum with three subdivisions to estimate the total change in the number of active users (in millions) from the second quarter of 2008 to the fourth quarter of 2009 (the interval [2, 8]). million users 2.
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