The current world population is about 7 billion. Under current conditions the population is growing exponentially with a yearly growth factor of 1.014. In parts (b) and (c), round your answers to the nea (a) Find a formula that gives the world population N, in billions, after t years. N = (b) How long will it take the population to double? yr (c) How long after doubling will it take for the population to double again? yr

Algebra and Trigonometry (6th Edition)
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ISBN:9780134463216
Author:Robert F. Blitzer
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ChapterP: Prerequisites: Fundamental Concepts Of Algebra
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Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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A woman, having recovered from a serious illness, begins a diet regimen designed to get her back to a healthy weight. She currently weighs 102 pounds. She hopes each week to multiply her weight by 1.09.

The current world population is about 7 billion. Under current conditions the population is growing exponentially with a yearly growth factor of 1.014. In parts (b) and (c), round your answers to the nearest year.

(a) Find a formula that gives the world population \( N \), in billions, after \( t \) years.  
\[ N = \]

(b) How long will it take the population to double?  
\[ \_\_\_\_\_\_ \, \text{yr} \]

(c) How long after doubling will it take for the population to double again?  
\[ \_\_\_\_\_\_ \, \text{yr} \]
Transcribed Image Text:The current world population is about 7 billion. Under current conditions the population is growing exponentially with a yearly growth factor of 1.014. In parts (b) and (c), round your answers to the nearest year. (a) Find a formula that gives the world population \( N \), in billions, after \( t \) years. \[ N = \] (b) How long will it take the population to double? \[ \_\_\_\_\_\_ \, \text{yr} \] (c) How long after doubling will it take for the population to double again? \[ \_\_\_\_\_\_ \, \text{yr} \]
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Exponential growth. 

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