Exponential Review

What type of function is f(x)=2(1/7)^x ?

• Exponential Growth
• Linear
• Exponential Decay
• None of the Abovee

Tags

CCSS.HSF-IF.C.8B

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.LE.A.2

What is the pattern you see in this table?

• Common Ratio = 1/3
• Common Difference = 8
• Common Ratio = 3
• Common difference = 3

Tags

CCSS.HSF.BF.A.2

Write the equation that represents the table below:

• y=1/2(4)^x
• y=2(4)^x
• y=4(2)^x
• y=4(1/2)^x

Tags

CCSS.HSF.LE.A.2

What type of function is y = 7(5/4)^x?

• Exponential Growth
• Exponential Decay
• Linear
• None of the above

Tags

CCSS.HSF-IF.C.8B

A chemist has 100 grams of a radioactive material. She records the amount of radioactive material every week. Which exponential equation models these data?

• y = 100(1.13)^x
• y = 100(1.87)^x
• y = 100(0.87)^x
• y = 100(0.13)^x

Tags

CCSS.HSF.LE.A.2

What is the horizontal asymptote for the graph of 
f(x) = - (3)^x+4-1 ?

• y = -2
• y = -1
• x = -2
• x = -1

Tags

CCSS.HSF-IF.C.7D

What is the horizontal asymptote for the graph of 
f(x) = (0.5)^x-6 ?

• y=0.5
• y=1
• y=6
• y=0

Tags

CCSS.HSF-IF.C.7D

What are the domain and range of the function y=2^x ?

• Domain: (−∞, ∞)

  Range: (0, ∞)

• Domain: (−∞, ∞)

  Range: (−∞, 0)

• Domain: (−∞, 0)

  Range: (−∞, ∞)

• Domain: (0, ∞)

  Range: (−∞, ∞)

What is the function?

Tags

CCSS.HSF.LE.A.2