Exponential Growth & Decay Review
Authored by Ashley Giuseppetti
Mathematics
9th Grade
CCSS covered
Used 4+ times
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17 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
D. All real numbers
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A culture of bacteria doubles every hour. Write a function that can be used to find the number of bacteria, N, at the end of x hours if there were initially 15 bacteria in the culture.
15+x
15*2*x
Tags
CCSS.HSF.LE.A.2
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
The function f(x) = 75(1.025)^x represents the balance in Jonathan’s savings account x years after opening it. What does the value 75 represent?
A. The growth factor of the amount of money in Jonathan’s savings account.
B. The initial amount in Jonathan’s savings account.
C. The final amount in Jonathan’s savings account.
D. The decay factor of the amount of money in Jonathan’s savings account
Tags
CCSS.HSF.LE.B.5
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
14
12
10
8
Tags
CCSS.HSF-IF.C.7E
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Engineers track population trends in major cities to plan for housing and apartment construction. The table shows the population of a major city from several years since 2009. The data can be represented by an exponential function.
Which function best models the data?
Tags
CCSS.HSF.LE.A.2
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Write an exponential function to represent the table.
Tags
CCSS.HSF.LE.A.2
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Tags
CCSS.HSF-IF.C.7E
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