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Unformatted text preview: its size Ex. The population of rabbits grows according to the function R(t) = 200(1.53) , where t is measured in years. Find the time it would take for a population of 200 rabbits to double in size. HalfLife: Halflife is the amount of time it takes for a decreasing exponential function to reduce to half of its previous size. Ex. The halflife of a particular substance ABC is 10 hours. Today you have 30 grams of the substance ABC. Find an equation that gives the amount of substance ABC remaining after t hours. Use this equation to determine the number of hours needed for the substance to decay to 5 grams. Converting between Y = ab and Y = ae From y = ab to y = ae b = growth facter, 1 + rate, e Ex. Y = 5(1.2) b = 1.2 Rate = .2 e = .2 k = .1823 Y = 5e From y = ae to y = ab Ex. Y = 3e K = .123 e = 1.13 = b y = 3(1.13) Solving Equations with ln and e Ex. e  6e + 5 = 0 Ex. (ln x)  6(ln x) = 7...
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This note was uploaded on 03/07/2010 for the course PSY 102 taught by Professor Jacobs during the Spring '10 term at North Country Community College.
 Spring '10
 Jacobs

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