Concept explainers
a.
To find: the yearly growth rateby dividing the average change in population by the 1990 population.
a.
Answer to Problem 9CFU
Explanation of Solution
Given:
In the 1990 U.S. census, the population of Los Angles was
By 1997, the population had increased to
Calculation:
According to the question,
first find the difference between the populations in 1997 and 1990
first find the difference between the populations in 1997 and 1990
Now, to find the yearly growth rate
Hence, the yearly growth rateof population is
b.
To predict: thenumber of people who is living in Los Angeles county in 2010.
b.
Answer to Problem 9CFU
Explanation of Solution
Given:
In the 1990 U.S. census, the population of Los Angles was
By 1997, the population had increased to
Calculation:
According to the question,
Where P is the number of people who will live in Los Angeles county in 2010.
Hence, the number of people who is living in Los Angeles county is
Chapter 11 Solutions
Advanced Mathematical Concepts: Precalculus with Applications, Student Edition
Additional Math Textbook Solutions
Thomas' Calculus: Early Transcendentals (14th Edition)
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