algebra 1b - unit 1: exploring functions exam questions with correct answers

lesson 1 - Answers-introduction to functions the following mapping diagram maps names to methods of transportation. is the relation a function? why or why not? - Answers-no, there is an input that maps to more than one output. the following list of ordered pairs maps animals to foods. is the relation a function? why or why not? - Answers-no, there is an input that has more than one output. which of the following maps represent functions? - Answers- the following table shows a relation. x: -2, -1, 3, 9 y: -1, 9, 17, 22 which numbers are part of the relation's output? select all that apply. - Answers--1, 9, 17, 22 which of the following sets of ordered pairs does not define a function? - Answers-{(1, 3), (5, 2), (6, 9), (1, 12), (10, 2)} the following tables represent relations. which of the tables also represent a function? select all that apply. - Answers-x: -2, -1, 0, 1, 2 y: 4, 1, 0, 1, 4 x: -1, 1, 3, 4, 5 y: 3, 3, 3, 3, 3 x: -2, -1, 0, 1, 2 y: 4, 2, 0.5, 1, 1.5