Graphical Analysis

On which interval(s) does the graph appear to be increasing?

• (-∞,∞)
• (-∞,.5)U(2,∞)
• (1,3)U(4,∞)
• (1,∞)

How many extrema does the graph have?

• 0
• 2
• 3
• 4

How many distinct x-intercepts does the graph have?

• 0
• 2
• 3
• 4

What is the y-intercept of the graph?

• 1
• 5
• 7.5
• There is none.

On what interval is the function negative?

• (-∞,∞)
• (-∞,-2)
• (-2,∞)
• The function is nonnegative.

At what time did runner A pass runner B?

• 0 seconds
• 1 second
• 2 seconds
• 3 seconds

Which runner stopped for a rest?

• Albert
• Bob
• Charlie

When is the temperature decreasing in this graph?

• February to March

• January to July

• July to December

• May to August

Based on the time of year that the temperature is at its lowest, where do you think this temperature graph was from?

• United States (Northern Hemisphere, summer is June-September)

• Australia (Southern Hemisphere, summer is November-March)

• North Pole

At what times is heart rate increasing?

• 0-4 minutes

• 4-8 minutes

• 8 minutes on