APPLICATIONS OF EXPONENTIAL FUNCTIONS 9th - 12th Grade Quiz

APPLICATIONS OF EXPONENTIAL FUNCTIONS

Assessment

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Aylin Cruz

•

Mathematics

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9th - 12th Grade

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103 plays

•

Medium

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17 questions

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Multiple Choice

3 mins

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=5000x^x

Multiple Choice

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

Multiple Choice

1 min

1 pt

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

^.08

^1.08

.92

Multiple Choice

5 mins

1 pt

A collectible car has been going up in price by 10% each year. If the car is already worth $29,000, how much will the car be worth in 5 years?

$0.29

$2,900,000,000

$46,704.79

$145,000

Multiple Choice

5 mins

1 pt

The expression 12(1.015)^t models the population of elephants in a wildlife refuge after t years since 1975.
Is the population of elephants increasing or decreasing?

Increasing

Decreasing

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