Comparing Functions in Context

Which function is exponential and decreasing?

• A

• B

• C

• D

This function has the same rate of change. 

• Linear

• Exponential

• Neither

What type of function describes the story below?
You have $10 and earn $5 every week. 

• Linear

• Exponential

• Neither

The graph of this function is a straight line. 

• Linear

• Exponential

• neither

What type of function is this equation:
y= -3x + 12

• Linear

• Exponential

• Neither

How does the rate of change (slope) differ from each raft company?

• $15 per hour for Ryan's Rafts

• $3.75 per hour more for Water's Edge Rafts

• $5 per hour for Water's Edge Rafts

• $1 per hour more for Ryan's Rafts

How much more would you pay for a phone per week at store A compared to store B?

• $5

• $15

• $10

• $50

• Function
• Not a function

Which of these tables represent a function?

• A

• B

• C

• D

• Function
• Not a Function