Concept explainers
a.
To find:Equation for the manatee population P, t years since 1991.
a.
Answer to Problem 37PPS
Explanation of Solution
Given information:
In 1991,
Number of Manatees inhabited for Florida’s waters = 1267
Rate of increase of Manatee population per year = 123
Let us assume
From given information
Rate of increase of Manatee population per year = 123
Therefore
Slope = 123
At
Which represents point
Therefore
Y-intercept = 1267
Slope intercept form of given situation is
b.
To find: Graph of above equation.
b.
Explanation of Solution
Given information:
In 1991,
Number of Manatees inhabited for Florida’s waters = 1267
Rate of increase of Manatee population per year = 123
Equation of given situation is
Where
P = Manatee Population.
t = number of years since 1991
Graph of equation is
c.
To find: Manatee population in 2006.
c.
Answer to Problem 37PPS
Manatee population in 2006 = 3112
Explanation of Solution
Given information:
In 1991,
Number of Manatees inhabited for Florida’s waters = 1267
Rate of increase of Manatee population per year = 123
Equation of given situation is
We need to find manatee population in 2006
Therefore
Substitute value of
We get
Therefore
Manatee population in 2006 = 3112
Chapter 3 Solutions
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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