Piecewise Function Intervals of Increase

Check all of the statements that are true

• The Domain of the piecewise function is [0,10]

• The Range of the function is approximately [0,90]

How many intervals does the graph have?

• 4

• 5

• 6

• 7

The piecewise function is of a jogger’s speed over time. For what interval does this runner reach their maximum speed?

• 0min – 2min

• 2min

• 18min – 19min

• 19 min

Which best describes the piecewise function below.

• 4 intervals, non-linear pieces, constant increase

• 4 intervals, linear pieces, increase and decrease

• 3 intervals, linear pieces, increase and decrease

• 4 intervals, linear pieces, constant decrease

On which interval(s) is the given function increasing?

• (-∞, 2) U (-2, ∞)

• (-2, 2) U (-2, ∞)

• (-∞, -2) U (0.5, ∞)

• (0, 2) U (0.5, ∞)

The piecewise function is of a jogger’s speed over time. Which statement best describes what the jogger was doing during the 9–12 minute interval of her jog?

• She was standing still.

• She was increasing her speed.

• She was decreasing her speed.

• She was jogging at a constant rate

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)

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 is/are the increasing interval(s) for the function shown?

How would you describe the behavior of this function on the domain interval (-1, 1)?

• increasing

• decreasing

• constant