Intervals of Increase Quadratics

What are the intervals of increase and decrease

• Interval of increase:  ( - infinity, 2)

  Interval of decrease:  (2, + infinity)

• Interval of increase:  ( - infinity, 24)

  Interval of decrease:  (24, + infinity)

• Interval of increase: (2, + infinity)

  Interval of decrease:   ( - infinity, 2)

• Interval of increase:  (24, + infinity)

  Interval of decrease:  ( - infinity, 24)

What are the intervals of increase and decrease?

• Interval of increase:  ( - Infinity, 0)

  Interval of decrease:  ( 0, + Infinity)

• Interval of increase:  ( - Infinity, -9)

  Interval of decrease:  ( -9, + Infinity)

• Interval of increase:  ( 0, + Infinity)

  Interval of decrease:  ( - Infinity, 0)

• Interval of increase:  ( -9, + Infinity)

  Interval of decrease:  ( - Infinity, -9)

What are the intervals of increase and decrease?

• Interval of increase:  ( 2, + Inifinity)

  Interval of decrease: ( - Infinity, 2)

• Interval of increase:  ( 0, + Inifinity)

  Interval of decrease: ( - Infinity, 0)

• Interval of increase:  ( - Infinity, 2)

  Interval of decrease: ( 2, + Inifinity)

• Interval of increase:  ( - Infinity, 0)

  Interval of decrease: ( 0, + Inifinity)

When is this function increasing?

• (-3, 3)

• (-2.5, 2.5)

• [-3, 3]

• (3, ∞)

The function is increasing on the interval (a)   and is decreasing on the interval ​ (b)  

Drag the intervals that indicate where the function is increasing.​ (a)   ​ (b)   Note: Drag the interval with the smaller values first.

The intervals in which the function f given by f (x) = x² – 4x + 6 is increasing is

• none of these

The function is decreasing on the interval (a)   and is increasing on the interval ​ (b)  

Identify the intervals on which the function increases or decreases.

increasing on the interval ​ (a)  

constant on the interval ​ (b)  

decreasing on the interval ​ (c)  

• (-∞, -1]

• [-1, 4]

• [4, ∞)

• (-∞, 4]

• [-1, ∞)

• N/A

• (-∞, ∞)

• (-∞, 3]

• [3, ∞)

Where is the function decreasing?

• (-∞, -1)

• (-1, ∞)

• (-∞, 3)

• (-∞, ∞)