Functions and Nonproportional

• Proportional

• Non proportional

• John's earnings

• Jackie's earnings

Which set of ordered pairs represents y as a function of x?

• A

• B

• C

• D

Does the table represent a proportional or non proportional situation?

• Proportional

• Non proportional

• Proportional, the rate of change is 5/3
• Non Proportional
• Proportional, the rate of change is 3/5
• Proportional, you add 2

Which best describes this equation?
y= 3.75x + 2

• Proportional 

• Non-proportional

Proportional or Non-Proportional:
The video game rental fee is $15 plus $3 per day. 

• Proportional

• Non-Proportional

Which equation shows a NON-proportional relationship of x and y?

• y = 5x

• y = 2.5x

• y = x + 3

• y = 1/2x

The graph shown is:

• A linear function but non proportional

• Not a function because it is not a straight line.

• Proportional because it goes through the origin.

• A function but not linear or proportional.

Does the table show a proportional relationship?

• Yes

• No