Algebra 2Name:Unit 5 ReviewDate:Period:Exponential Growth & Decay and Half-Life1. (C) A population of manatees in Florida is approximately 2,200 and thought to be decreasingat a rate of 1.1 % annually. Write an exponential decay function to model this situation. Thenfind the population after 7 years.2. (C) Annual sales for a furniture store are $375,000 and are increasing at a rate of 6.75%each year. Write an exponential growth function to model this situation. Then find the annualsales after 9 years.3. (C) The half-life of lodine is approximately 8 days. Write an exponential decay function tomodel this situation. Then find the amount of lodine from a 35 gram sample after 32 days.4. (C) A certain bacteria population doubles every hour. If an experiment begins with 300grams of bacteria, about how many bacteria will be present after 2.5 years?-t5. (C) The power output P (in watts) of a satellite is given by the formula P(t) = 50e250,where t is the time in days. To the nearest tenth of a watt, how much power will be availableat the end of one year?

& Decay and Half-Life 1. (C) A population of manatees in Florida is approximately 2,200 and thought to be decreasing at a rate of 1.1 % annually. Write an exponential decay function to model this situation. Then find the population after 7 years.

& Decay and Half-Life 1. (C) A population of manatees in Florida is approximately 2,200 and thought to be decreasing at a rate of 1.1 % annually. Write an exponential decay function to model this situation. Then find the population after 7 years.

College Algebra

10th Edition

ISBN:9781337282291

Author:Ron Larson

Publisher:Ron Larson

Chapter5: Exponential And Logarithmic Functions

Section5.5: Exponential And Logarithmic Models

Problem 30E: The table shows the mid-year populations (in millions) of five countries in 2015 and the projected...

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Differential Equations

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Algebra 2
Name:
Unit 5 Review
Date:
Period:
Exponential Growth & Decay and Half-Life
1. (C) A population of manatees in Florida is approximately 2,200 and thought to be decreasing
at a rate of 1.1 % annually. Write an exponential decay function to model this situation. Then
find the population after 7 years.
2. (C) Annual sales for a furniture store are $375,000 and are increasing at a rate of 6.75%
each year. Write an exponential growth function to model this situation. Then find the annual
sales after 9 years.
3. (C) The half-life of lodine is approximately 8 days. Write an exponential decay function to
model this situation. Then find the amount of lodine from a 35 gram sample after 32 days.
4. (C) A certain bacteria population doubles every hour. If an experiment begins with 300
grams of bacteria, about how many bacteria will be present after 2.5 years?
-t
5. (C) The power output P (in watts) of a satellite is given by the formula P(t) = 50e250,
where t is the time in days. To the nearest tenth of a watt, how much power will be available
at the end of one year?

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