Beginner Piecewise Functions

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

• $50

• $100

• $150

• $175

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

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)

Which is the correct interval of increase?

• (-10, 0) U (3, 6) U (8, ∞)

• [-10, 0) U [3, 6] U [8, ∞)

• (-10, ∞)

• [-8, 4)

Identify the correct range.

• (-∞, ∞)

• [-7, -3] U [-1, 4)

• [-7, 4)

• [-10, 10]

Select ALL the statements that are true.

• f(10) = -3

• f(6) = -3

• There are 2 y-intercepts

• The domain is [-10, 10]

• The range is [-7, 4)

What is the domain of this piecewise function?

• (-∞, ∞)

• [-3] U [0] U [3]

• [-5, 5]

• (-3) U (0) U (3)

What is the domain and range of the function shown?

• domain:  [-4, 4)     range:  [-1, 4]

• domain:  (-4, 4)     range:  [-1, 4]

• domain:  [-1, 4)     range:  (-1, 4)

• domain and range:  [-4, 4)

Determine the interval of increase.

• (-2, 2)

• (0, 2]

• (0, 2)

• (0, 4)

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)