Mathematics, 24.10.2020 16:30 jumana3
Kami gets a great job as a wildlife biologist. Her project includes tracking the size of flocks of migrating birds.
In looking over past records, Kami finds data that gives the number of cranes C in Izumi, Japan, from 1950 to 1990, where t is the number of years since 1950.
t
0
5
10
15
20
25
30
35
40
C
293
299
438
1573
2336
3649
5602
7610
9959
1. Which variable is the independent variable?
2. Which variable is the dependent variable?
3. Does the data show an increase that changes by a constant amount or by a constant rate?
4. Find a good model for the data. What is the function you wrote?
5. Kami is missing the data for the year 2000. What is a good estimate for the number of cranes in Izumi in that year?
Answers: 1
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A. plot the data for the functions f(x) and g(x) on a grid and connect the points. x -2 -1 0 1 2 f(x) 1/9 1/3 1 3 9 x -2 -1 0 1 2 g(x) -4 -2 0 2 4 b. which function could be described as exponential and which as linear? explain. c. if the functions continue with the same pattern, will the function values ever be equal? if so, give estimates for the value of x that will make the function values equals. if not, explain why the function values will never be equal.
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Kami gets a great job as a wildlife biologist. Her project includes tracking the size of flocks of m...
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