Comparing Functions: Tables, Graphs, and Equations

What is the main goal when comparing functions in this lecture?

• To find the maximum value of each function

• To determine which function is more complex

• To compare functions based on tables, graphs, and equations

• To solve for the roots of each function

What is the equation for Josh's MP3 service cost?

• y = 0.99x

• y = 0.50x + 10

• y = 6.95x + 1.5

• y = 7.5x

How do you find the slope of a function represented by a table?

• By adding all the y-values

• By dividing the x-values by the y-values

• By using the formula (y2 - y1) / (x2 - x1)

• By multiplying the x-values by the y-values

What is the equation for the cost of buying books at the bookstore?

• y = 0.99x

• y = 0.50x + 10

• y = 7.5x

• y = 6.95x + 1.5

Which service is cheaper for buying six books?

• Cannot be determined

• Both are the same

• Bookstore

• Online version

What is Morgan's typing speed in words per minute?

• 20 words per minute

• 15 words per minute

• 10 words per minute

• 25 words per minute

Who types more correct words per minute, Morgan or Brian?

• Brian

• Cannot be determined

• Both type the same

• Morgan

What is the initial payment required by Store B for the game system?

• $60

• $100

• $140

• $200

Which store requires a larger down payment for the game system?

• Store B

• Store A

• Cannot be determined

• Both require the same

Which plan allows Jamal to pay off the game system faster?

• Store B

• Cannot be determined

• Store A

• Both are the same