"A population of snakes grows from being 300 to being 900 after 2 years. If the population is growing exponentially, find an exponential function of the form P(t) = Poekt that will determine the population of snakes after t years. Roundk to 4 decimal places." A student attempts to do this problem by doing the following: 300 = 900e2k =2k In(1/3) k = 2 = -0.5493 The population function is: P(t) = 900e-0.54931 What did the student do wrong, and what can be done to fix it?

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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"A population of snakes grows from being 300 to being 900 after 2 years. If the population is growing exponentially, find an exponential function of the form
P(t) = Poekt
%3D
that will determine the population of snakes after t years. Round k to 4 decimal places."
A student attempts to do this problem by doing the following:
300 = 900e2k
2k
In
= 2k
In(1/3)
k
- 0.5493
The population function is:
-0.5493t
P(t) = 900e
%3D
What did the student do wrong, and what can be done to fix it?
Transcribed Image Text:"A population of snakes grows from being 300 to being 900 after 2 years. If the population is growing exponentially, find an exponential function of the form P(t) = Poekt %3D that will determine the population of snakes after t years. Round k to 4 decimal places." A student attempts to do this problem by doing the following: 300 = 900e2k 2k In = 2k In(1/3) k - 0.5493 The population function is: -0.5493t P(t) = 900e %3D What did the student do wrong, and what can be done to fix it?
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