Exponential Functions Review

This graph shows 

• exponential decay
• exponential growth
• linear function
• all of the above

This graph shows

• exponential growth
• exponential decay
• linear function
• all of the above

What is the base for the exponential function whose values are shown in the table? (In other words, what is being multiplied each time?)

• 10

• 2

• 1

• 1/2

What is a, the starting term, for the function: f(x) = 300(1.16)^x?

• 300

• 1.16

• .16

• x

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

Tags

CCSS.HSF.BF.A.1

CCSS.HSF.LE.A.1

CCSS.HSF.LE.A.2

CCSS.HSF.LE.B.5

The number of mosquitoes at the beginning of the summer was 4,000. The population of mosquitoes is expected to grow at a rate of 25% a month. How many mosquitoes will there be after 4 months?

• 9766

• 9006

• 9765

• 5433

Is the following function exponential growth, exponential decay, linear, or none of the above?
p(x) = 13x - 5

• Exponential growth
• Exponential decay
• Linear
• None of the above

Tags

CCSS.HSF-LE.A.1A

What is the asymptote of the exponential function represented by the graph above?

• y = 0

• y = 4

• y = -4

• y = -3

The value of a car is $15,000 and depreciates at a rate of 8% per year. What is the value after 7 years?

• $800
• $8367.70
• $6600
• $25,707.36

Tags

CCSS.HSF.BF.A.2

Classify the model as Exponential GROWTH or DECAY.
A=1200(.85)⁶

• Growth
• Decay

Tags

CCSS.HSF-IF.C.8B