Exponential functions

Exponential functions

8th - 10th Grade

18 Qs

quiz-placeholder

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Exponential functions

Exponential functions

Assessment

Quiz

Mathematics

8th - 10th Grade

Medium

CCSS
HSF.BF.B.3, HSF.LE.B.5, HSF.LE.A.2

+2

Standards-aligned

Created by

Demetrius Gardner

Used 6+ times

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18 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

What does the y-intercept of the graph represent?

The amount of grams the material is gaining.
The amount of grams the material is losing.
The amount of grams remaining after so many years.
The initial amount of grams.

Tags

CCSS.HSF.LE.B.5

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which of the following is an increasing exponential function whose y-intercept is 50?

y = 50(.05)x
y = 50x - 4
y = (2)x + 50
y = 50(1.4)x

Tags

CCSS.HSF.LE.A.2

3.

MULTIPLE CHOICE QUESTION

2 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. By what percentage is the colony decaying?

87%
13%
800%
8.7%

Tags

CCSS.HSF-IF.C.8B

4.

MULTIPLE CHOICE QUESTION

2 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?

125
11
1398
140

Tags

CCSS.HSF.LE.B.5

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The expression 12(1.015)t models the population of elephants in a wildlife refuge after t years since 1975.
What does the value 12 represent?

The predicted increase in number of elephants in the refuge each year.
The predicted decrease in number of elephants in the refuge each year.
The number of years it will take for the elephant population to stop increasing.
The initial amount of elephants in the park.

Tags

CCSS.HSF.LE.B.5

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The expression 12(1.015)t models the population of elephants in a wildlife refuge after t years since 1975.
What does the value 1.015 represent?

The number of elephants was 1,015 in 1975.
The number of elephants increases by 1.5% each year.
The number of elephants increases by 101.5% each year.
The number of elephants is multiplied by 1.015 each year.

Tags

CCSS.HSF.LE.B.5

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

What is the y-intercept of the function?

2
3
1
-2

Tags

CCSS.HSF-IF.C.7E

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