Comparing Functions and Linear Equations

The video tutorial covers comparing linear functions through examples involving sea animals, DJ cost equations, and temperature changes in cities. It explains how to calculate and compare rates of change, create equations, and analyze initial values. The tutorial emphasizes understanding slopes and proportional relationships in various contexts.

Which sea animal has the highest speed based on the given data?

• Great White Shark

• Orca Whale

• Bottlenose Dolphin

• Sea Lion

What is the speed of the bottlenose dolphin in miles per hour?

• 8.5 miles per hour

• 17 miles per hour

• 25 miles per hour

• 34.5 miles per hour

What is the equation for the total cost of hiring DJ A?

• y = 20x + 75

• y = 40x

• y = 25x + 50

• y = 50x + 25

Which DJ charges the highest hourly rate?

• DJ C

• DJ D

• DJ B

• DJ A

If you have $150 to spend, which DJ can you hire for the longest period?

• DJ D

• DJ C

• DJ B

• DJ A

What is the rate of temperature change per hour in Eastbury?

• 5 degrees Fahrenheit

• 4 degrees Fahrenheit

• 3 degrees Fahrenheit

• 2 degrees Fahrenheit

Which city has the greatest rate of temperature change?

• Westville

• Topperville

• Eastbury

• Hilltown

What was the temperature in Hilltown at 8 a.m.?

• 54 degrees Fahrenheit

• 62 degrees Fahrenheit

• 64 degrees Fahrenheit

• 66 degrees Fahrenheit

What does the initial temperature value represent?

• The average temperature of the day

• The highest temperature of the day

• The temperature at noon

• The temperature at 8 a.m.

Which city had the lowest temperature at 8 a.m.?

• Westville

• Eastbury

• Hilltown

• Topperville