Calculus: Early Transcendentals
Calculus: Early Transcendentals
8th Edition
ISBN: 9781285741550
Author: James Stewart
Publisher: Cengage Learning
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A population of animals oscillates between a low of 1100 on January 1 ( t = 0 ) and a high of 2000 on July 1 (t = 6 ). The population doesn't
reach this high before July 1.
(a) Find a formula for the population, P, in terms of the time, t, in months. Assume there is no phase shift. Use "pi" or symbol r to enter the n.
P(t) =
? Edit
(b) Interpret the amplitude, period, and midline of the function P = f(t).
Amplitude =
This is the amount that the population varies above and below the average
population.
Period =
months.
This means the cycle repeats annually.
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Transcribed Image Text:A population of animals oscillates between a low of 1100 on January 1 ( t = 0 ) and a high of 2000 on July 1 (t = 6 ). The population doesn't reach this high before July 1. (a) Find a formula for the population, P, in terms of the time, t, in months. Assume there is no phase shift. Use "pi" or symbol r to enter the n. P(t) = ? Edit (b) Interpret the amplitude, period, and midline of the function P = f(t). Amplitude = This is the amount that the population varies above and below the average population. Period = months. This means the cycle repeats annually.
Midline P
Edit
The midline is the average
population value over one year.
(c) Use a graph with 0 <t< 12 to estimate when P = 1300.
Round your answers to one decimal place. Enter your answers in increasing order.
P = 1300 when t 2
and t 2
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Transcribed Image Text:Midline P Edit The midline is the average population value over one year. (c) Use a graph with 0 <t< 12 to estimate when P = 1300. Round your answers to one decimal place. Enter your answers in increasing order. P = 1300 when t 2 and t 2
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