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Back to Exercise: Recognize constant percent rate situations

Exercises: Recognize Constant Percent Rate Situations

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Grade 9·21 problems·~30 min·Common Core Math - HS Functions·standard·hsf-le-a-1c
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A

Warm-Up: Review What You Know

1

Which situation describes exponential growth?

2

A quantity starts at 1,000 and grows by 6% per year. What is the value after 1 year?

3

A function is g(x)=500⋅(1.08)xg(x) = 500 \cdot (1.08)^x. What type of function is this?

B

Fluency Practice

1

A town grows by 3% per year. Which function models the population PP after tt years, starting from 12,000?

2

Which phrase signals a constant PERCENT rate situation (exponential)?

3

A car worth $18,000 depreciates 12% per year. What is the decay factor?

Enter as a decimal (e.g., 0.88).

4

A culture of bacteria doubles every 4 hours. Starting with 500 cells, what is the growth factor per 4-hour period?

5

An exponential function has growth factor b=1.07b = 1.07. What is the annual percent growth rate? Enter your answer as a whole number (e.g., 7 for 7%).

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