3. The graph at right represents a scattergram and a linear model for the number of companies on the Nasdaq stock market between 1990 and 1999, where n represents the number of companies t years after 1990. a) Using the linear model, in what year were there approximately 3500 companies? Number of Companies on the Nasdaq Stock Market between 1990 and 1999 b) What is the n-intercept of the linear model and what does it mean? c) What is the t-intercept and what does it mean? d) From the linear model, what would you predict the number of companies to be in the year 1996? 4 43 6 97 8 Years since 1990 1996 41 43 94 10 Number of companies (thousands) 2.

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter1: Equations, Inequalities, And Mathematical Modeling
Section1.2: Linear Equations In One Variable
Problem 6ECP: The number y (in thousands) of male participants in high school lacrosse in the United States from...
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y2 68 9 6
|
3. The graph at right represents a scattergram and a linear model for the number of companies on the Nasdaq
stock market between 1990 and 1999, where n represents the number of companies t years after 1990.
a) Using the linear model, in what year were
there approximately 3500 companies?
Number of Companies on the Nasdaq Stock Market
between 1990 and 1999
b) What is the n-intercept of the linear model and
what does it mean?
4.
c) What is the t-intercept and what does it mean?
1
d) From the linear model, what would you
predict the number of companies to be in the
4 45
Years since 1990
year 1996?
1990 41
93
6 97 8
10
94
12
4. Find a linear equation of the line that passes through the given pairs of points.
a) (3, 5) and (7,1)
b) (-4, –6) and (-2, 0)
5. The average consumption of sugar in the U.S. increased from 26 pounds per person in 1986 to 136 pounds per
person in 2006. Let p be the average number of pounds consumed t years after 1980. Find an equation of a
linear model that describes the data.
Number of companies
(thousands)
2.
3.
Transcribed Image Text:y2 68 9 6 | 3. The graph at right represents a scattergram and a linear model for the number of companies on the Nasdaq stock market between 1990 and 1999, where n represents the number of companies t years after 1990. a) Using the linear model, in what year were there approximately 3500 companies? Number of Companies on the Nasdaq Stock Market between 1990 and 1999 b) What is the n-intercept of the linear model and what does it mean? 4. c) What is the t-intercept and what does it mean? 1 d) From the linear model, what would you predict the number of companies to be in the 4 45 Years since 1990 year 1996? 1990 41 93 6 97 8 10 94 12 4. Find a linear equation of the line that passes through the given pairs of points. a) (3, 5) and (7,1) b) (-4, –6) and (-2, 0) 5. The average consumption of sugar in the U.S. increased from 26 pounds per person in 1986 to 136 pounds per person in 2006. Let p be the average number of pounds consumed t years after 1980. Find an equation of a linear model that describes the data. Number of companies (thousands) 2. 3.
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