What is the negative interval of the function?

Where does the function have a negative interval?

The interval (-∞, 1) describes what interval?

• Negative Interval

• Increasing interval

• Positive Interval

• Decreasing Interval

What is the positive interval of the function?

What are the x-intercepts of this function?

• 0 and 2

• -4 and 0

• 2 and 3

• 0 and 4

Answer explanation

We need these in order to write intervals where it is positive or negative.

Where is the function positive?

• Nowhere

• (0.5, 2)

• (-3, 0.5); (2, 5]

Over how many intervals is the graph positive?

• 5

• 3

• 2

• 0

Answer explanation

Positive intervals are where the graph is above the x-axis.

Over what intervals is the function positive?

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)