Rates of Change in Functions

Definition: the y-coordinate where the graph crosses the y-axis

• y-intercept
• y-axis
• y-coordinate
• y-doggies

Using the graph, find the slope

• 4/3
• 3/4
• -4/3
• -3/4

Find the slope

• 0
• undefined
• -3
• 6

Find the slope from the graph

• 0
• undefined
• 5
• -5

Find the rate of change

• 1
• 2
• 11
• Not a constant slope/Non-Linear

Find the slope

• 3
• -3
• 20
• Not a constant slope/Non-Linear

Find the slope between the two points on the graph

• -1/3
• -3
• 1/3
• 3

Which company shows a greater rate of change?

• Water's Edge Rafts
• Ryan's Rafts

Find the rate of change

• 1
• 2
• 11
• Not a constant slope/Non-Linear

When graphing slope we....

• Run / Rise
• Rise / Run
• (rise, run)
• Run far away.