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Exponent Rules and Exponential Functions

Authored by Anthony Clark

Mathematics

9th Grade

CCSS covered

Exponent Rules and Exponential Functions
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19 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Joey and Roger are playing a game.
- Joey and Roger each started with 50 points.
- At the end of each turn, Joey's points double.
- At the end of each turn, Roger's points increase by 200.
At the start of which turn will Joey have more points than Roger?

2

3

4

5

Tags

CCSS.HSF.BF.A.2

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

A scientist studied bacteria. She placed 5 bacteria in a dish. The population of the bacteria doubles every 12 hours.
Which equation can be used to determine the number of bacteria, y, present after x days?

y = 5(2)x

y = 5(10)x

y = 5(2)2x

y = 5(10)2x

Tags

CCSS.HSF.LE.A.2

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The function f(x) = (4)was replaced with f(x) + k, resulting in the graph shown.  What is the value of k?

0

1

-1

2

Tags

CCSS.HSF.BF.B.3

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which expression is equivalent to ∜x

x 1/4

x -1/4

x4

x-4

5.

GRAPHING QUESTION

1 min • 1 pt

Create the exponential function with the following attributes:

Asymptote: y = 0

Initial value: 3

Point on the graph: (2, 6)

Growth

Tags

CCSS.HSF.LE.A.2

6.

DRAG AND DROP QUESTION

1 min • 1 pt

There were 417 cell phones sold at an electronics store in January. Since then, cell phone sales at this store have increased at a rate of 3.75% per month. At this rate of growth, which function can be used to determine the monthly cell phone sales x months after January?

Tags

CCSS.HSF.LE.A.2

7.

DRAG AND DROP QUESTION

1 min • 1 pt

A shipping company started with 40 employees. The number of employees in the shipping company increases at a rate of 7.5% each year. What function can be used to model the number of employees, f(x), in the shipping company after x years?

Tags

CCSS.HSF.LE.A.2

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