Exponential Functions Word Problem

Exponential Functions Word Problem

9th Grade

15 Qs

quiz-placeholder

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Exponential Functions Word Problem

Exponential Functions Word Problem

Assessment

Quiz

Mathematics

9th Grade

Medium

Created by

Anthony Clark

Used 2+ times

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Suppose a culture of bacteria begins with 5000 cells and dies by 30% each year. Write an equation that represents this situation.

y=5000(0.7)x

y=30(5000)x

y=5000(1.3)x

y=5000xx

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

You have inherited land that was purchased for $30,000 in 1960. The value of the land increased by approximately 5% per year. What is the approximate value of the land in the year 2011?

$361,223.09

$15,000.00

$31,500.29

$280,500.86

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The value of a car is $15,000 and depreciates at a rate of 8% per year. What is the exponential equation?

y=8(15,000)x

y=15,000(0.92)x

y=15,000(1.08)x

y=15,000(0.08)x

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Suppose a culture of bacteria begins with 5000 cells and dies by 30% each year. Write an equation that represents this situation.

y=5000(0.7)x

y=5000(1.3)x

y=30(5000)x

y=5000xx

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The population of Boringtown decreased annually by 1.8% between the year 2015-2018. In 2015, there were approximately 200,000 people living in Boringtown. Which function models the city's population since 2015?

f(x) = 200,000(1 + 0.018)3

f(x) = 200,000(1 - 0.18)3

f(x) = 200,000(1 + 0.18)3

f(x) = 200,000(1 - 0.018)3

6.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Cassandra bought an antique dresser for $500. The value of her dresser increases 6% annually. Write the equation that represents the situation. Write the equation using this format with no spaces: y=a(b)^x

7.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Daniel’s Print Shop purchased a new printer for $35,000. Each year it depreciates (loses value) at a rate of 5%.


Write the equation that represents the situation.

Write the equation using this format with no spaces:

y=a(b)^x

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