Exponentials Unit

Which of the following best describes this type of graph?

• Exponential Growth

• Exponential Decay

• Linear

Which equation best represents the graph above?

• f(x)=5(.5)^x

• f(x)=5(.25)^x

• f(x)=10(5)^x

• f(x)=10(.75)^x

What is the asymptote of the graph?

• x = 0

• y = 2

• x = 1

• y = 0

Which equation is representative of the graph?

• y=4(1/2)^x

• y=1/2(4)^x

• y=4(2)^x

• y=8(1/2)^x

What is the range of this graph?

• y = 6

• (0, -4)

• y > -6

• y < -6

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

• (.27)^x
• .27
• 13
• 3.51

A new savings account is opened with $400 and gains 3% every year. What is the exponential function?

• f(x)=400(1+3)^x

• f(x)=400(1-0.03)^x

• f(x)=400(1+0.03)^x

• f(x)=400(0.03)^x

What is the y-intercept of the function?

• (0,2)

• (0,3)

• (0,1)

• (0,-2)

What is the average rate of change between when x = -1 and x = 0?

• -2

• 2

• 1/2

• -1/2

If this were a geometric sequence, what would be the next term?

4, 16, ...

• 4

• 28

• 12

• 64