Unit 8 Review

Is the graph linear, exponential or neither?

• Linear
• Exponential
• Neither

Is the pictured graph growth, decay, or linear or none?  

• Growth
• Decay
• Linear
• None

Identify the y-intercept (initial value) in the function f(x)=13(.27)^x

• (.27)^x
• .27
• 13
• 3.51

Identify the common ratio (multiplier) of the function f(x)=2(4)^x.

• 2
• 4
• (2)^x
• 8

Is the following function and example of decay or growth?

f(x)=2(0.85)^x

• Exponential Decay

• Exponential Growth

What is the common ratio(multiplier) for the sequence:

3, 15, 75...

• 12

• 1/5

• 5

Is the table linear, exponential, or neither?

• Linear

• Exponential

• Neither

Is the table linear, exponential, or neither?

• Linear

• Exponential

• Nether

In the equation, y = mx + b, the letter m is the ___________.

• y-intercept

• x-intercept

• slope

• multiplier

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