Increasing and Decreasing Intervals of Parabolas

What is the decreasing interval(s) on the function shown?

What is the increasing interval on the function shown?

Over what interval is this function constant?

• [-5, ∞)

• [-3, 4]

• [4, ∞)

• -5

What are the increasing and decreasing intervals of the graph?

• Increasing = (-1.5, 0) & (1.5, ∞)

  Decreasing = (-∞, -1.5) & (0, 1.5)

• Increasing = (-∞, -1.5) & (0, 1.5)

  Decreasing = (-1.5, 0) & (1.5, ∞)

• Increasing = (-∞, -1.5) & (1.5, ∞)

  Decreasing = (-1.5, 0) & (0, 1.5)

• Increasing = (-1.5, 0) & (0, 1.5)

  Decreasing = (-∞, -1.5) & (1.5, ∞)

What are the increasing intervals?

• (- ∞, 0) & (2, ∞ )

• (-1, 0) & (2,4)

• (0,2) & (-3, -7)

• (-8, -3) & (-7, 8)

What are the decreasing intervals on the graph?

• (-∞, 0) & (-4, ∞)

• (-∞, -1) & (1, ∞)

• (-∞, -2) & (2, ∞)

• (-∞, 0) & (4, ∞)

How many increasing/decreasing intervals are there in this graph?

• 2 max, 2 min

• 3 max, 2 min

• 2 man, 3 min

• 3 increasing intervals, 2 decreasing intervals

• 2 increasing intervals, 3 decreasing intervals

Choose all intervals where the graph is INCREASING (Choose all that apply)

• (-∞ , 1)

• (1 , 3)

• (3 , ∞)

Choose all intervals where the graph is DECREASING (Choose all that apply)

• (-∞ , 1)

• (1 , 3)

• (3 , ∞)

When is this function increasing?

• (-3, 3)

• (-2.5, 2.5)

• [-3, 3]

• (3, ∞)