Piecewise Functions

What is the DOMAIN of the function?

• (-∞, +∞)

• (-∞, 4]

• (-∞, 4)

• [0, 4]

Find f(2)

• f(2) = 0

• f(2) = 1

• f(2) = 3

• f(2) = 4

Evaluate the function when x = 6 

• f(6) = -5

• f(6) = 4

• f(6) = 2

• f(6) = 7

If you have $75, how many days can you rent the Karaoke machine?

• 0 days

• 1 day

• 2 days

• 3 days

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

• $50

• $100

• $150

• $175

Is this a function? Explain.

• No. Does not pass the vertical line test.
  

• No. Does not pass the horizontal line test.
  

• Yes. Passes the vertical line test.
  

• Yes. Passes the horizontal line test.
  

How many "pieces" are graphed in this function?

• 1

• 2

• 3

• 4

What is f(-2)?

• 4

• 1

• 1

• DNE

What is f when x equals 4?

• -5

• 0

• 3

• 6

When x is less than or equal to 2, what equation is shown in the graph?

• f(x) = 3

• f(x) = x

• f(x) = | x |

• f(x) = | x - 1 |