Key Features of an Exponential Function

Which dashed line is an asymptote for the graph above?

• Line a

• Line b

• Line c

• Line d

What is the range of this graph?

• y = 6

• (0, -4)

• y > -6

• y < -6

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

• 800

• 0.85

• 0.15

• x

What is the growth factor of the function?

• 2

• 3

• 1

• -2

What is the growth factor of f(x) = 4(3)^x

• 4

• 3

• 1

• x

Which of the following statements about the graph above is true?

• The range is the set of all real numbers less than 0.

• The domain is the set of all real numbers less than 0.

• The domain is the set of all real numbers greater than 0.

• The range is the set of all real numbers greater than 0.

Which of the following statements about the graph above is true?

• The domain is the set of all real numbers less than 0.

• The equation of the asymptote is x=0.

• The range is the set of all real numbers less than 0.

• The domain is the set of all real numbers.

In an exponential function, what does the 'b' represent?

• SLOPE

• RATE OF CHANGE

• Y-INTERCEPT

• GROWTH FACTOR