03/12 bell 6

What table represents a relation that is not a function?

• A

• B

• C

• D

The speed of light in a vacuum is 299,792,458 meters per second. Which number, written in scientific notation, is the best approximation of the speed of light?

• 
• 
• 
• 

The graph of a system of linear equations is shown below.

Which ordered pair is the best estimate for the solution of this system of linear equations?

• (-6,-2)

• (-3,2)

• (4,-4)

• (6,8)

Jenny wants to rent a truck for one day. She contacted two companies. Laguna’s Truck Rentals charges $20 plus $2 per mile. Salvatori’s Truck Rentals charges $3 per mile. After how many miles will the total cost for both companies be the same?

• 4

• 6

• 20

• 60

What is the slope of the line that passes through the points (2, 3) and (4, 7)?

• 1

• 2