GRAPHING REV

Is the function below increasing or decreasing?

f(x)=2(4)^x.

• Increasing

• Decreasing

Given the function, f(x) = 6.5(0.85)^x, identify the constant ratio.

• 6.5

• 0.85

• x

• f(x)

Which of the following statement about the graph of y=6(.5)^x is TRUE?

• The equation of the asymptote is x=0.

• The y-intercept is at 6

• The graph is increasing

• The graph will never cross the y axis

Which function models the values in the table?

Look at the graph and answer each question.

Is the graph increasing or decreasing?

What is the y-intercept?

What is the asymptote?

• Increasing

  y-intercept: (0, 5)

  asymptote: y = 0

• Decreasing

  y-intercept: (0, 5)

  asymptote: y = 0

• Increasing

  y-intercept: (0, 5)

  asymptote: y = 5

• Decreasing

  y-intercept: (5, 0)

  asymptote: x = 0

What is the vertex?

• (-3, 0)

• (3, 0)

• (0, 18)

• (18, 0)

What is the equation of the axis of symmetry?

• y = 0

• x = 0

• x = 3

• x = -3

What are the zeros of the function? Choose all that apply.

• x = 0

• x = -3

• x = -6

• y = 18

If the vertex of a parabola is (2, −3), what is the axis of symmetry?

• y-intercept is located at (0, 16)

• y-intercept is located at (0, 10)

• It is a positive function with a minimum

• It is a negative function with a maximum

• Reflects over the x-axis