Decreasing, Increasing, Positive, Negative

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

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

• increasing AND negative

• increasing AND positive

• decreasing AND negative

• decreasing AND positive

• increasing AND negative

• decreasing AND positive

• decreasing AND negative

• increasing AND positive

Over what interval is the function negative AND increasing?

Over what intervals is the function positive?

Over what interval is the function positive AND decreasing?

Over what interval(s) is the function negative?

Over what interval(s) is the function increasing?