Increasing Decreasing Functions Intervals

Use the First Derivative Test to find the open interval in which f(x) is increasing or decreasing. Select ALL that apply.

Use the First Derivative Test to find the open interval in which f(x) is increasing or decreasing. Select ALL that apply.

• Decreasing at  ( -2,  5)

• Increasing at     (-2,  5)

What is the interval of increase and decrease in the following function.

• Increasing at (-8, -6) and (-3, 1)

• Decreasing at  ( -4, 4)

• Increasing at     (-4,  4)

Where is the function decreasing?

• (-∞, -1)

• (-1, ∞)

• (-∞, 3)

• (-∞, ∞)

Which statement is true about this graph?

• This function is always constant

• This function is always increasing

• This function is never increasing

• This function is both increasing and decreasing

Which statement is true about this function?

• The function is never constant

• The function is always increasing

• The function is never decreasing

• The function increases on the interval 11:00 < x < 15:00