Chapter 4 Review (Glencoe, Course 3)

• (1, 1)

• (−2, −8)

• (0, −7)

• (2, 8)

• −2

• −1

• 0

• 1

The graph at the right shows Jeremy’s distance from home each hour he is on a car trip. How many miles will he be from home after 10 hours?

• 350 miles

• 400 miles

• 500 miles

• 550 miles

Which table represents a linear function?

• F

• G

• H

• I

Juana’s monthly cost of sending text messages can be represented by the function y = 0.05x, where y represents the total cost and x represents the number of text messages. The table shows Tanya’s monthly cost of sending text messages. Which statement is not true?

• A. Tanya’s initial cost is greater than Juana’s initial cost.

• B. Tanya pays more per text than Juana.

• C. Juana pays $7.50 for sending 150 text messages.

• D. Tanya pays $20 for sending 150 text messages.

Which of the following represents a nonlinear function?

• y = 5x + 7

• y = x²

• y = −2x

• y = x

Nate has a certain number of songs on his MP3 player. Each week, he plans to add 2 more songs. After 5 weeks, he had 25 songs on his MP3 player. Which statement is true?

• A. Nate adds 5 songs on his MP3 player per week.

• B. Nate adds 10 songs on his MP3 player per week.

• C. The initial number of songs on Nate’s MP3 player is 15.

• D. The initial number of songs on Nate’s MP3 player is 2.

State the domain for the following relation. {(-4, 4), (1, 2), (0, 3), (3, 2)}

Hint: Put the numbers in order from least to greatest. Do NOT put spaces between your numbers and don't forget the brackets!

Complete the function table for f(x) = -2x + 1.

For Exercises 10 and 11, consider the following situation. The grocery store sells cantaloupes for $4.50 per pound. What is the cost of 2 pounds of cantaloupes?

• $4.50

• $9.00

• $8.00

• $10.00