Functions and Rate of Change

Is this a function? 

• Yes, because every input has exactly one output

• No, because -1 has more than one output 

• No, because 3 is in the input and the output 

What is the rate of change for the following graph?

• 80

• 20

• 40

• 160

Find the rate of change.

• -2 minutes per gallon

• -20 minutes per gallon

• -2 gallons per minute

• -20 gallons per minute

Is it a function?

• It IS a function.

• It IS NOT a function

Who has the greater rate of change?

• They have the same rate of change.

What is the rate of change for Function C?

• 2/3

• 3/2

• 3

• 2

Find the rate of change.

• -2 minutes per gallon

• -20 minutes per gallon

• -2 gallons per minute

• -20 gallons per minute

From the table, what is the rate of change we see happening? (Select all that apply)

• Increase of $75 per adult

• Increase of $375 per 5 adults

• Increase of $150 per 3 adults

• Increase of $2 per 150 adults

Which company shows a greater rate of change?

• Water's Edge Rafts

• Ryan's Rafts

What is the rate of change for the following function?

• 1 gallon of blue per gallon of yellow

• 5 gallons of blue per gallons of yellow

Tags

TEKS.MATH.8.4A

TEKS.MATH.8.4B