Key features of exponential functions

What is the y-intercept of the function?

• 2
• 3
• 1
• -2

What is the range of this graph?

• y = 6
• (0, -4)
• y > -6
• y < -6

Given y=3^x determine the y-intercept 

• (0,1)
• (0,3)

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

• (.27)^x
• .27
• 13
• 3.51

Identify the y-intercept (initial value) of the function f(x)=2(4)^x.

• 2
• 4
• (2)^x
• 8

Given the function, f(x) = 6.5(0.85)^x, identify the growth/decay rate.

• 6.5
• 0.85
• x
• f(x)

What is the y-intercept of the function?

• 2
• 3
• 1
• -2

What is r, the decay rate, for the function: f(x) = 800(0.85)^x?

• 800
• 0.85
• 0.15
• x

Which equation best represents the graph above?

• f(x)=5(.5)^x

• f(x)=10(.25)^x

• f(x)=10(5)^x

• f(x)=10(.75)^x

Which dashed line is an asymptote for the graph above?

• Line a

• Line b

• Line c

• Line d