Piecewise and Step Functions Domain and Range

How much does it cost to rent the Karaoke machine for 3 days?

• $50

• $100

• $150

• $175

Select ALL the statements that are true.

• The constant interval is [-4, 2]

• The interval of increase is (-6, -4)

• The interval of decrease is (-9, -6) U (2, ∞)

• There is a discontinuity at x = 2

• The range is (-∞, 8)

Identify the correct range.

• (-∞, ∞)

• [-7, -3] U [-1, 4)

• [-7, 4)

• [-10, 10]

What is the domain of this piecewise function?

• (-∞, ∞)

• [-3] U [0] U [3]

• [-5, 5]

• (-3) U (0) U (3)

Which statement is FALSE?

• -4 is included in the domain, but 4 is not

• The interval of decrease is (-4, 0)

• The interval of increase is (-1, 2)

• The interval of increase is (0, 2)

Where are the discontinuities of this function, if any exist?

• at x = -3 and x = 1

• at x = -3

• at x = 1

• there aren't any

Which is the correct interval of increase?

• (-10, 0) U (3, 6) U (8, ∞)

• [-10, 0) U [3, 6] U [8, ∞)

• (-10, ∞)

• [-8, 4)

What is this type of function called?

• Discrete Function 

• Segment Function

• Step Function

• Jump Function

What is the RANGE?

• (-∞, +∞)

• (-∞, 1)

• (-∞, 1]

• (-∞, 0) U (0, +∞)

What is f(2)?

• 0

• 1

• 2

• -1