Exponential Function from Context

A car depreciates at a rate of 2.2% per year.

• Exponential Growth

• Exponential Decay

• Does not represent an exponential function

The amount of a certain medication in a person's bloodstream is cut by a third​ every day.

• Exponential Growth

• Exponential Decay

• Does not represent an exponential function

A certain population of 32 aggressive zombies triples every hour.

• Exponential Growth

• Exponential Decay

• Does not represent an exponential function

Which statement is true about the graphs of exponential functions?

• The graphs of exponential functions never exceed the graphs of linear and quadratic functions.

• The graphs of exponential functions always exceed the graphs of linear and quadratic functions.

• The graphs of exponential functions eventually exceed the graphs of linear and quadratic functions.

• The graphs of exponential functions eventually exceed the graphs of linear functions but not quadratic functions.

Which function is modeled in this table?

• f(x) = x + 7

• f(x) = 5x + 8

• f(x) = (8)^x

• f(x) = 8/5 (5)^x

Which scatter plot BEST represents a model of exponential growth?

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Which table represents an exponential function?

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Consider this function for cell duplication. The cells duplicate every minute. f(x) = 75(2)^x

• The 75 is the initial number of cells, and the 2 indicates that the number of cells doubles every minute.

• The 75 is the initial number of cells, and the 2 indicates that the number of cells increases by 2 every minute.

• The 75 is the number of cells at 1 minute, and the 2 indicates that the number of cells doubles every minute

• The 75 is the number of cells at 1 minute, and the 2 indicates that the number of cells increases by 2 every minute.

What is the range of this function in this context?

• any real number such that t ≥ 0

• any whole number such that t ≥ 0

• any real number such that 0 ≤ P(t) ≤ 1,000

• any whole number such that 0 < P(t) ≤ 1,000

Which scatter plot BEST represents a model of exponential growth?

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