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Real Life Exponential Functions

Authored by Anthony Clark

Mathematics

9th Grade

CCSS covered

Real Life Exponential Functions
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14 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Consider a population of bacteria that doubles every hour. Which of the following is a property of the function describing this population growth over time?

The domain is all real numbers, and the range is all real numbers.

The domain is all real numbers, and the range is positive real numbers.

The domain is positive real numbers, and the range is all real numbers.

The domain and range are both positive real numbers.

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

It is a straight line over time.

It is a constant value over time.

Tags

CCSS.HSF-IF.C.8B

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Apply exponential decay to solve: If a car loses 20% of its value each year, what fraction of its value does it retain after 3 years?

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

2

3

6

0

Tags

CCSS.HSF.LE.B.5

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following represents exponential growth in a population of rabbits over time?

Tags

CCSS.HSF-LE.A.1A

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

4

6

8

16

Tags

CCSS.HSF.LE.B.5

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What does the population growth of a rapidly expanding city over time most likely resemble?

A straight line that passes through the origin

A parabola opening upwards

A curve that gets steeper as it moves to the right

A curve that gets less steep as it moves to the right

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