Warm-Up: Select all models that represent a function.
A) input on the left & output on the right

B)

C)

D)

Practice #1: Without graphing, is the group of ordered pairs a function?
Practice #2: Using the vertical line test, is the following graph a function?
Practice #3: Is the following diagram a representation of a function?

Practice #4: Is the following relationship a function?

Practice #5: Which of the following relations below does not represent a function?
Exit Ticket #1: Without graphing, is the group of ordered pairs a function?
Exit Ticket #2: Using the vertical line test, is the following graph a function?
Exit Ticket #3: Is the following diagram a representation of a function?

Exit Ticket #4: Is the following relationship a function?

Exit Ticket #5: Which of the following relations below represent a function?