# soln2 - Problem Set#2 Solutions Textbook Chapter 3 Problem...

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Problem Set #2 Solutions Textbook Chapter 3 Problem 2: World population starts at 6 billion and grows at a constant annual rate of 3%. At any time, t , population, t L , will be given by: billion 6 ) 03 . 0 1 ( × + = t t L a.) After 100 years, population is billion 3 . 115 billion 6 ) 03 . 0 1 ( 100 100 = × + = L . b.) In similar fashion: Year Population (in billions) 0 6.00 1 6.18 2 6.37 10 8.06 25 12.56 50 26.30

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c.) Standard Scale Graph World Population (in billions) 0 5 10 15 20 25 30 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 Time (Years)
d.) Ratio Scale Graph World Population (in billions) - Ratio Scale 1 10 100 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 Time (Years) Textbook Chapter 3 Problem 9 02 . ) 02 . 1 ( 05 . ) 05 . 1 ( = = = = y t t x t t g y g x a.) 07 . = + = = y x z g g g xy z b.) 03 . / = - = = y x z g g g y x z c.) 035 .

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## This note was uploaded on 07/17/2008 for the course ECON 502.02 taught by Professor Mccafferty during the Spring '08 term at Ohio State.

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soln2 - Problem Set#2 Solutions Textbook Chapter 3 Problem...

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