Functions Assessment

Is this mapping a function or not a function? 

• Function

• Not a Function 

You can identify a function from a graph by using the.....

• Horizontal Line Test

• Eye Test

• Vertical Line Test

• Diagonal Line Test

Does this relation represent a function?
(1,5), (1,6), (1,7), (1,8), (1,9)

• Yes

• No

Is this graph a function or not a function? 

• Function

• Not a Function

What is the constant of proportionality for this table?

• 1/9

• 9

• 8

What is the constant of proportionality (in miles per hour) based on the table?

• 45

• 90

• 135

• 2

In the equation y = 14x, what is the constant of proportionality?

• y

• x

• 14

Which statement below accurately represents the graph?

• $100 is earned for each hour worked

• $100 is earned for every 2 hours worked

• $500 is earned for every 8 hours worked

• $200 is earned for every 3 hours worked

Which company shows a greater rate of change? Work this out on your paper don't guess! =) 

• Water's Edge Rafts

• Ryan's Rafts

Find the slope of the line that passes through the points (2, 4) and (6, 12)

• 1/2

• -1/2

• 2

• -2