MCR3U1 - Chapter 1 Assignment Communication Multiple Choice Identify the choice that best completes the statement or answers the question. 1. Which of the following relations is not a function? a. C. b d. 2. Which relation is a function? a. {(-3, -2), (-1, 3), (0, -2), (3, 4)} . { (-7, -7), (-2, 5), (-1, 6), (2,-5)} b. {(0, 1), (3, 2), (5, -3), (0, 2)} d. {(-4, -7), (-9, 5), (4, -2), (-9, 0)} 3. Which of the following relations is not a function? a. The relation between height and time if a tree grows 4 cm/yr b. The relation between money earned and time if interest for a bank account is 5% per month C . The relation between distance and time if a car travels 85 km/h d. The relation between students' ages and points scored on a test 4. Which relation is a function? a. 2x2 - 5y= = -24 C. 7- 2 b y = 2x- - 3x+7 d. =- x+ 3y