UNIT 2 QUIZ

• -18

• -4

• 6

• -24

Which of the following relations defines a function?

• Each person’s age, x, and the person’s weight, y.

• The amount of gasoline in a car, x, and the number of passengers in the car, y.

• The number of hours slept, x, and the time to wake up, y.

• Each person’s fingerprints, x, and the person’s birthday, y. 

Melanie is driving from her apartment in Dallas, TX to her parents’ house in Houston, TX. The total distance from her apartment to her parents’ house is 240 miles and she is driving at a constant speed of 60 mph. If x is the number of hours she has been driving and y is the distance remaining to her parents’ house, what is the domain of the function for this situation?

Which set best represents the domain for this situation?

Which inequality best describes the range of the part shown?

What is the value of the domain when the range is 4?