Interval on Graph

What was the average rate of change in the population from 1900 to 1990?

• 175 million people/year

• 1.94 million people/year

• 2.13 million people/year

• -1 million people/year

Which company shows a greater rate of change?

• Water's Edge Rafts

• Ryan's Rafts

Which of the following graphs has the largest average rate of change from -1 to 2?

• 
• 
• 
• 

This graph is decreasing on the intervals...

• ( -∞, -2 ) U ( 2, ∞ )

• ( -∞, 0 ) U ( 4, ∞ )

• ( -2, 2 )

• ( 0, 4 )

What is the minimum of this graph?

• 2

• 4

• -3

• -1

This graph increases from...

• ( -1, 1 )

• ( 0, 4 )

• [ -1, 1 ]

• [ 0, 4 ]

This is increasing on the interval (s)...

• ( - ∞, -2 ) U ( 2, ∞ )

• ( - ∞, 16 ) U ( -16, ∞ )

• ( -2, 2 )

• ( - ∞, -2 )

This graph is _______ in the highlighted areas.

• Decreasing

• Increasing

When the number is not included in the interval, use

• Parenthesis

• Brackets

• X values

• Y values

When determining where a graph is increasing/ decreasing use...

• x-values

• y-values