Use the formula t=ln2k that gives the time for a​ population, with a growth rate​ k, to​ double, to answer the following questions.   The growth model A=9e0.007t describes the​ population, A, of a country in​ millions, t years after 2003.   a. What is the​ country's growth​ rate?   0.70.7​%   b. How long will it take the country to double its​ population?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter7: Exponents And Exponential Functions
Section7.7: Writing Exponential Functions
Problem 31HP
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Use the formula
t=ln2k
that gives the time for a​ population, with a growth rate​ k, to​ double, to answer the following questions.
 
The growth model
A=9e0.007t
describes the​ population, A, of a country in​ millions, t years after 2003.  
a. What is the​ country's growth​ rate?
 
0.70.7​%
 
b. How long will it take the country to double its​ population?
 
nothing
years ​ (Round to the nearest whole​ number.)
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