The population, P, in millions, of Singapore was 4.16 million in 2004 and growing at an annual rate of 1.8%.  Let t be time in years since 2004. (a) Express P as a function in the form P=P0at. P=          (b)  Express P as an exponential function using base e rounding the contiuous growth rate to five decimal places. P=         (c)  Compare the annual and continuous growth rates:  The annual grouth rate is greater than the continuous growth rate.

College Algebra
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ISBN:9781938168383
Author:Jay Abramson
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Chapter6: Exponential And Logarithmic Functions
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The population, P, in millions, of Singapore was 4.16 million in 2004 and growing at an annual rate of 1.8%.  Let t be time in years since 2004.


(a) Express P as a function in the form P=P0at.
P=       
 


(b)  Express P as an exponential function using base e rounding the contiuous growth rate to five decimal places.
P=        


(c)  Compare the annual and continuous growth rates: 

The annual grouth rate is greater than the continuous growth rate.

Expert Solution
Step 1

Given that,

The population, P, in millions, of Singapore was 4.16 million in 2004 and growing at an annual rate of 1.8%.  Let t be time in years since 2004.

a) To express P as a function in the form P=P0at:

From given annual growth rate of 1.8%, r=0.018

Base a is, 

  a=1+ra=1+0.018a=1.018

Also, given that initial population P0=4.16.

Substitute  P0=4.16a=1.018t=t in P=P0at

P=4.161.018t

Thus, The population model is P=4.161.018t.

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