Algebra 2 Unit 3

In 1990, the value of a home was $170,000. Since then, its value has increased 5% per year. Write an equation to represent the value of the home as a function of time in years since 1990.

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CCSS.HSF.LE.A.2

At the beginning of the year a blogger had 200 subscribers. Since then, the number of subscribers has been doubling every 8 weeks. Select ALL equations that represent the number of subscribers, S, in terms of w weeks since the beginning.

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CCSS.HSF.LE.A.2

The graph shows a wolf population which has been growing exponentially each year. Write an equation relating the wolf population w, and the number of years since it was measured, t.

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CCSS.HSF.LE.A.2

The graph shows the number of flu cases increasing exponentially. Which function correctly relates the number of flu cases to the number of weeks?

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CCSS.HSF.LE.A.2

What is the yearly growth factor?

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CCSS.HSF-LE.A.1C

The function represents a population increasing exponentially in y years. Which function correctly shows the population in m months?

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CCSS.HSF.LE.A.2

The function represents a population decreasing exponentially in w weeks. Which function correctly shows the population in d days?

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CCSS.HSF.LE.A.2

The table shows the amount of caffeine in a person's system decreasing exponentially. Write an equation for m(h), where m is the amount of caffeine and h is the time in hours.

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CCSS.HSF.LE.A.2

The value of a car is decreasing exponentially according to the function V(y). This tells us the value has a decay factor of 0.73 over how many days?

• 5

• 7

• 25

• 73

A population is increasing exponentially according to the function P(t). This tells us the population has a growth factor of 1.28 over how many days?

• 3

• 7

• 13,900

• 28