Application of Exponential

Quiz
•
Mathematics
•
9th Grade
•
Hard
+1
Standards-aligned
Anthony Clark
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following functions shows an initial amount of $15 and an increase of 35% each year?
y = 15(35)x
y = 15(1.35)x
y = 15(0.35)x
y = 35(1.15)x
Tags
CCSS.HSF.LE.A.2
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A new savings account is opened with $400 and gains 3% every year. What is the exponential function?
f(x)=400(1+3)x
f(x)=400(1-0.03)x
f(x)=400(1+0.03)x
f(x)=400(0.03)x
Tags
CCSS.HSF.LE.A.2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following functions shows an initial amount of $15 and an increase of 35% each year?
y = 15(35)x
y = 15(1.35)x
y = 15(0.35)x
y = 35(1.15)x
Tags
CCSS.HSF.LE.A.2
4.
MULTIPLE CHOICE QUESTION
1 min • 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. By what percentage is the colony decaying?
87%
13%
800%
8.7%
Tags
CCSS.HSF-IF.C.8B
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The population of wolves in a certain place was 5,450 in 2013. Each year the population has decreased by 5%. What equation models the population of wolves since 2013?
p(x) = 5450 - 95x
p(x) = 5450(0.05)x
p(x) = 5450(0.95)x
p(x) = 5450 (1.05)x
Tags
CCSS.HSF.LE.A.2
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If there is a culture with bacteria growing in it at a continuous rate of 2% per hour, and the starting number of bacteria is 100,000. How much bacteria will there be in 1 day? (round to the nearest whole number)
161,607
102,020
12,151,042
122,140
Tags
CCSS.HSF.LE.A.4
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which formula would be the best for the following question: A town is decreasing in population. It loses population at a rate of 5%, compounded continuously. If the town starts with 200,000 people, how many will it have in 15 years?
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