Functions (exponential and logarithmic)

Identify an example of exponential decay in the real world.

• Decay of radioactive materials

• Growth of a population

• Rising temperature in a greenhouse

• Increase in stock prices

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CCSS.HSF-LE.A.1A

A radioactive compound decays at a rate of 13% per hour.

• Exponential Growth

• Exponential Decay

• Does not represent an exponential function

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CCSS.HSF-LE.A.1A

The growth factor for this table is

• 50
• 2
• 3
• 150

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CCSS.HSF-LE.A.1A

The represents ordered pairs of the function f(x). Which of the following statements are true? Select all the apply.

• f(x) is modeling exponential decay

• The decay factor is 0.125

• The decay factor is 0.875

• The y intercept is 960

• The y intercept is 120

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CCSS.HSF-LE.A.1A

Determine whether the set of data shown below displays exponential behavior. 

• yes

• no

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CCSS.HSF-LE.A.1A

Finding the function, state whether its growth or decay:

Ordered Pairs- (-1,15) (0,5) (1,5/3)

• 5(1/3)^x

  Decay

• 5(3)^x

  Growth

• 5(1.3)^x

  Decay

• 2(7)^x

  Growth

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CCSS.HSF-LE.A.1A

What type of table is this?

• Linear

• Quadratic

• Exposed

• Exponential

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CCSS.HSF-LE.A.1A

The values in the table follow either a linear pattern or an exponential pattern. Which of the following is the missing y -value?

• 36

• 6

• 24

• 54

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CCSS.HSF-LE.A.1A

The following graph shows the population growth for a species. What is the growth factor? Hint: What do you have to multiply by to get from one point to the next?

• 2
• 1/2
• 4
• 1/4

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CCSS.HSF-LE.A.1A

the exponential function that best fits a set of data

• exponential regression

• exponential decay

• exponential growth

• parabola

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CCSS.HSF-LE.A.1A