Exponential Models
Quiz
•
Mathematics
•
9th - 12th Grade
•
Medium
+9
Standards-aligned
Carolyn Lane
Used 20+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Suppose a culture of bacteria begins with 5000 cells and dies by 30% each year. Write an equation that represents this situation.
y=5000(1 - 0.30)x
y=30(5000)x
y=5000(1 + 0.30)x
y=5000xx
Tags
CCSS.HSA.CED.A.1
CCSS.HSF.BF.A.1
CCSS.HSF.LE.A.1
CCSS.HSF.LE.A.2
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
The amount of ants in a colony, f, that is decaying can be modeled by
f(x) = 800(.87)x, where x is the number of days since the decay started.
Suppose f(20) = 49. Which of the following is true?
After 20 days, there are 49 ants in the colony.
After 49 days there are 20 ants in the colony.
The amount of ants times 20 is 49.
After 20 days the amount of ants remaining decreases by 49.
Tags
CCSS.HSA.SSE.A.1
CCSS.HSF.BF.A.1
CCSS.HSF.IF.B.4
CCSS.HSF.LE.A.1
CCSS.HSF.LE.A.2
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What does the y-intercept of the graph represent?
Tags
CCSS.HSA.REI.D.10
CCSS.HSA.SSE.A.1
CCSS.HSF.IF.B.4
CCSS.HSF.IF.C.7
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
The amount of downloads for an album on iTunes, g(d), where d is the number of days since the album was first uploaded can be represented as
g(d) = 51.5d
How many downloads will the album have after 3 days?
Tags
CCSS.HSF.IF.A.1
CCSS.HSF.IF.A.2
CCSS.HSF.LE.A.1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the Domain of this exponential function?
y=1
x=0
All Real Numbers
x>0
Tags
CCSS.HSF.IF.A.1
CCSS.HSF.IF.B.5
CCSS.HSF.LE.A.1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the Range of this function?
y> 0
x> 0
All Real Numbers
y>0
Tags
CCSS.HSF.IF.B.4
CCSS.HSF.IF.C.7
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the y-intercept of the function f(x)=2(4)x ?
2
4
(4)x
8
Tags
CCSS.HSF.IF.A.1
CCSS.HSF.IF.A.2
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