Function Intervals Increase Decrease Constant

Where is the decreasing?

• ( −∞, −2.55) U (0, 2.55)

• (∞, −6.25) U (36, −6.25)

• ( −∞, −2.55] U [0, 2.55]

• (−∞, 0)

Does this function have an absolute maximum?

• Yes 

• No

When is this function increasing?

• −2.5 < x < 2.5

• 0 < x < 5

• 0 < x < 55

• −5 < x < 0

Is the following an increasing, decreasing or constant function?

• increasing

• decreasing

• constant

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

• Decreasing at (5, 0) and (0, 2)

• Decreasing at (-5, -2) and (0, 2)

• Increasing at (2, 6)

Identify where the function is decreasing.

• x < 0

• x > 0

• x < -3 , x > 3

• -3 < x < 3

Over what interval is this function constant?

• −5 < x < ∞

• −3 < x < 4

• 4 < x < ∞

• −5

List the types of intervals that the graph demonstrates in order.

• decreasing, constant, increasing, constant

• increasing, decreasing, constant

• increasing, constant, increasing, constant

• increasing, constant, decreasing, constant

What do we know about the slope for increasing functions?

• The slope is positive

• The slope is negative

• There is zero slope

Identify where the function is positive.