Function Practice 4

Arcadia Inc. manufactures videogames. This is a graph showing the profit, in thousands of dollars, made by the company over the first six months of the year. Which statement about the company's profits is incorrect?

• The profits increased from January to February.
• The largest profit for the six-month period was $275,000.
• The profit decreased from April to June.
• The smallest profit for the six-month period was $150,000.

Interpret the y-intercept of the graph.

• All those polled used a social networking site 8 months after February 2005.

• About 8% of those polled used a social networking site in February 2005.

• No one used a social networking site in February 2005.

• There were 8 social networking sites in February 2005.

Choose the best situation for the graph.

• A car is moving at a constant speed for several minutes. When it approaches a red light, it slows down and comes to a stop.
• A plant grows steadily and then has a growth spurt during the rainy season. It remains the same height for a while and then grows steadily again.
• A family buys a fish tank and some fish. After two weeks, they buy some more fish. After two more weeks, they buy even more fish.
•  A monkey swings from a high branch to a lower branch. He climbs along the branch. Then he jumps to a higher branch and takes a nap.

Which runner had a head start?

• A
• B
• C

At what time did runner A pass runner B?

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

During which interval of days did it rain the heaviest?

• Between x = 0 and x = 1

• Between x = 2 and x = 4

• Between x = 5 and x = 6

This graph is about a car. Describe the speed of the car along section C of the graph?

• Parked
• Moving at a constant speed
• Speed is increasing
• Speed is decreasing

This graph is about a boat. Which best describes the speed of the boat along D?

• Docked
• Accelerating
• Decelerating
• Going up a ramp

How would you describe what is happening in the purple shaded region of the graph?

• Decreasing Interval

• Increasing Interval

• Constant Interval

• Positive Interval

• Negative Interval

How would you describe what is happening in the orange shaded region of the graph?

• Decreasing Interval

• Increasing Interval

• Constant Interval

• Positive Interval

• Negative Interval