Functions

The graph of a function is shown. Which three ordered pairs represent an input value of the function with its corresponding output value

• (0, -1)

• (-1, 0)

• (0, 0)

• (-4, 0)

• (0, -2)

Why is this function linear?

• This is a linear function because it does not have a constant rate of change

• This is a linear function because it creates a curved line.

• This is a linear function because it have a constant rate of change.

• This is a linear function because it's y-intercept is (0,2)

Is this function linear or nonlinear?

• Linear function

• Nonlinear function

Which set of values is a function?

• (6, 5) (7, 3) (8, 1) (9, 1)

• (2, 2) (5, 9) (5, 7) (1, 4)

• (9, 5) (5, 5) (9, 6) (8, 5)

• (3, 4) (4, 3) (7, 4) (3, 8)

Does this table represent a function?

• Yes

• No

• A

• B

• C

• D

Which of the relationships below is a function?

• (6,3) (5,2) (6,8) (0,7)

• (8,2) (1,7) (-1,2) (1,9)

• (4,3) (3,0) (-1,3) (2,7)

• (7,1) (0,0) (6,2) (0,4)

The graph of which equation is shown?

• y = 4x + 3

• y = -4x - 0.75

• y = -4x + 3

• y = 4x - 0.75

Which term does NOT correctly describe the relationship shown in the table?

• function

• linear

• proportional

• nonproportional

Carl and Jean both work at appliance stores. Carl earns a weekly salary of $600 plus $40 for each appliance sold. The equation p = 50n + 550 represents the amount of money Jean earns in a week. Which of the following statements is true?

• Carl has a greater salary and a greater rate per appliance sold

• Jean has a greater salary and greater rate per appliance sold

• Carl will earn more than Jean if they each sell 10 appliances in a week

• Both Carl and Jean earn the same amount if they each sell 5 appliances in a given week