30. A biologist studying the growth of an animal population has obtained the model T = 25logN – 50 %3D for the time T, in years, at which the population has reached size N. (a) Use properties of logarithms to describe what happens to T if N is doubled. Round the number part of your answer to 2 decimal places. R1?) = 251og(2)-56 %3D

College Algebra
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ISBN:9781938168383
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Chapter6: Exponential And Logarithmic Functions
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30. A biologist studying the growth of an animal population has obtained the model
T = 25logN – 50
for the time T, in years, at which the population has reached size N.
(a) Use properties of logarithms to describe what happens to T if N is doubled. Round
the number part of your answer to 2 decimal places.
%3D
Ig (21b012=(2n
When N is doubled, T increases by
(b) Use properties of logarithms to describe what happens to T if N is tripled. Round
the number part of your answer to 2 decimal places.
%31
When N is tripled, T increases by
(c) Solve the equation above for N to express this animal population as a function of
time.
Transcribed Image Text:30. A biologist studying the growth of an animal population has obtained the model T = 25logN – 50 for the time T, in years, at which the population has reached size N. (a) Use properties of logarithms to describe what happens to T if N is doubled. Round the number part of your answer to 2 decimal places. %3D Ig (21b012=(2n When N is doubled, T increases by (b) Use properties of logarithms to describe what happens to T if N is tripled. Round the number part of your answer to 2 decimal places. %31 When N is tripled, T increases by (c) Solve the equation above for N to express this animal population as a function of time.
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