The fish population in a certain lake rises and falls according to the formula F = 9000(30 + 19t − t2). Here F is the number of fish at time t, where t is measured in years since January 1, 2003, when the fish population was first estimated. (a) On what date will the fish population again be the same as it was on January 1, 2003? (b) By what date will all the fish in the lake have died? (Select the earliest date in which this occurs.)
The fish population in a certain lake rises and falls according to the formula F = 9000(30 + 19t − t2). Here F is the number of fish at time t, where t is measured in years since January 1, 2003, when the fish population was first estimated. (a) On what date will the fish population again be the same as it was on January 1, 2003? (b) By what date will all the fish in the lake have died? (Select the earliest date in which this occurs.)
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section: Chapter Questions
Problem 18T
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The fish population in a certain lake rises and falls according to the formula
F = 9000(30 + 19t − t2).
Here F is the number of fish at time t, where t is measured in years since January 1, 2003, when the fish population was first estimated.
(a) On what date will the fish population again be the same as it was on January 1, 2003?
(b) By what date will all the fish in the lake have died? (Select the earliest date in which this occurs.)
(b) By what date will all the fish in the lake have died? (Select the earliest date in which this occurs.)
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