Reading Graphs and Tables

What is the x-axis label?

• iPhone Charging Speed

• Time (minutes)

• Capacity (% charged)

• The origin

What is the meaning of the point (0, 40)?

• The battery has a 0% charge after 40 minutes

• It takes 40 minutes to charge the phone to 0%

• The battery begins with a 40% charge

• The battery dies after 40 minutes

What is the y-axis label?

• Leona's Job Earnings

• Newspapers Delivered

• Total Pay (dollars)

Is this table a function and how can you tell?

• Yes its a function because there are not variables for missing numbers

• No it's not a function because the y value 4 repeated

• No it isn't a function because the x value 2 is repeated

• No it's not a function because the x value 5 has y values of  10 & 12

Which of these tables represent a function?

• A

• B

• C

• D

• all of the above

Match the graph to the correct table.

• 
• 
• 

Does this table represent a function?

• Yes

• No

Which could be the table of values that was used to graph the function of x shown?

• 
• 
• 
• 

Which ordered pair below would prevent this table from being a function?

• (10, 10)

• (2, 4)

• (6, 1)

• (-2, 0)

Does this graph represent a proportional relationship?

• Yes

• No