Application of Exponential

Application of Exponential

9th Grade

10 Qs

quiz-placeholder

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Application of Exponential

Application of Exponential

Assessment

Quiz

Mathematics

9th Grade

Hard

CCSS
HSF.LE.A.2, HSF-IF.C.8B, HSF.LE.A.4

+1

Standards-aligned

Created by

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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