Asked by Daniela
The population sizes of many animal species rise and fall over time. Suppose that the population size of a certain species can be modeled by the following function.
In this equation, represents the total population size, and is the time in years.
p(t)=2670 - 1270 cos 1.1t
Find the following. If necessary, round to the nearest hundredth.
Amplitude of p: __
Frequency of p : __ cycles per year
Time for one full cycle of p : __ years
In this equation, represents the total population size, and is the time in years.
p(t)=2670 - 1270 cos 1.1t
Find the following. If necessary, round to the nearest hundredth.
Amplitude of p: __
Frequency of p : __ cycles per year
Time for one full cycle of p : __ years
Answers
Answered by
Anonymous
amplitude = 1270 beasties
cos 1.1 t = cos 2 pi f t = cos 2 pi t/T
so
2 pi f = 1.1
and
2 pi/T = 1.1
cos 1.1 t = cos 2 pi f t = cos 2 pi t/T
so
2 pi f = 1.1
and
2 pi/T = 1.1
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