Exponential Growth and Decay Functions
Authored by Emily Wagner-Goveo
Mathematics
8th - 12th Grade
CCSS covered
Used 14+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A loan of $5,000 gets
half paid off each
year.
f(x) = 5000(0.5)x
f(x) = 5000(1.5)x
f(x) = .5(5000)x
f(x) = 5000(-0.5)x
Tags
CCSS.HSF.LE.A.2
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
The wise man asks for
one grain of rice today
and double each day
that follows.
f(x) = 1(2)x
f(x) = 2(1)x
f(x) = 3x
f(x) = 2x + 1
Tags
CCSS.HSF.LE.A.2
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A piece of licorice is
20 cm long. You eat
half each minute.
f(x) = 20(1-0.5)x
f(x) = 20(1-0.05)x
f(x) = 20(1+0.5)x
f(x) = -0.5(20)x
Tags
CCSS.HSF.LE.A.2
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A loan for $10,000
has an interest rate
of 5%.
f(x) = 10,000 (1+0.05)x
f(x) = 10,000 (1-0.05)x
f(x) = 10,000 (1+0.5)x
f(x) = 10,000 (1+5)x
Tags
CCSS.HSF.LE.A.2
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Bacteria doubles
every hour. Right
now there are 10.
f(x) = 10(2)x
f(x) = 2(10)x
f(x) = 10(1+2)x
f(x) = 10(1+.02)x
Tags
CCSS.HSF.LE.A.2
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
$1000 is deposited
into an account that
earns 3% interest
f(t) = 1000(1 + 0.03)t
f(t) = 1000(1 - 0.03)t
f(t) = 1000(1 + 3)t
f(t) = 3(1000)t
Tags
CCSS.HSF.LE.A.2
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A super-secret bug spray
kills half of the mosquitos
each time it is sprayed. In a
given area there are
3,000,000 mosquitos now.
f(x) = 3,000,000(1 - 0.5)x
f(x) = 3,000,000(1 + 0.5)x
f(x) = 3,000,000 - 0.5x
f(x) = 1,500,000
Tags
CCSS.HSF.LE.A.2
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