Intervals of Increase and Decrease 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)

Where is the function decreasing?

• (-∞, -1)

• (-1, ∞)

• (-∞, 3)

• (-∞, ∞)

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

On what interval(s) in the graph increasing?

Identify where the function is increasing.

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

Over what interval is this graph decreasing?

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

• none of these