Key Features of Functions

When is the function decreasing?

• (30, 55)

• (40, 60]

• (15, 40)

• (60, -40)

When is this function increasing?

• (-3, 3)

• (-2.5, 2.5)

• [-3, 3]

• (3, ∞)

When is this function decreasing?

• (-3, 3)

• (-∞, -3) , (3, ∞)

• (-∞, -3] , [3, ∞)

• [-3, 3]

On which interval(s) is the given function increasing?

• (-∞, 2) , (-2, ∞)

• (-2, 2) , (-2, ∞)

• (-∞, -2), (0.5, ∞)

• (0, 2) , (0.5, ∞)

Describe the interval(s) over which the given function is decreasing.

• (-∞, 0) , (2, ∞)

• (5, -4) , (0, -3)

• (-3, 0) , (2, 3)

• (2, 3)

What is/are the increasing interval(s) for the function shown?

What are the zeros and y-intercept of the function?

• zeros = {4, 1}

  y-intercept = (0 , 3)

• zeros = {3, 1, -2, -5}

  y-intercept = (0, 3.5)

• zeros = {-3, -1, 2, 5}

  y-intercept = (0, 3)

• zeros = {-2, 4}

  x-intercepts = (0, -7)

Find the zeros of the polynomial given one zero

• A
• B
• C
• D

What are the zeros of the function?

• 4,1
• 3,1,-2,-5
• -3, -1, 2, 5
• -2,4

What are all the y-intercepts?

• (0, -6.25)
• (-3,0), (-2,0), (2,0), (3,0)
• (0, 36)
• (-∞, ∞)