Increasing, Decreasing, Positive, and Negative

Which is the correct positive interval for the function?

• None

Over what interval is the function negative AND increasing?

Over what interval(s) is the function positive?

Over what interval(s) is the function negative?

Over what interval(s) is the function increasing?

Over what interval(s) is the function positive AND increasing?

Trace on the graph (over the red line) where the function is decreasing.

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 how many intervals is the graph decreasing?

• 2

• 4

• 0

• 5

Answer explanation

Decreasing intervals are where the graph is pointing down.

• increasing AND negative

• increasing AND positive

• decreasing AND negative

• decreasing AND positive