2.1: Relations and Functions

Question 1

Set of pairs of input and output values

Answer 1

Relation

Question 2

Set of all inputs, or x-coordinates of t he ordered pairs

Answer 2

Domain

Question 3

Set of all outputs, or y-coordinates of the ordered pairs

Answer 3

Range

Question 4

Links elements of the domain with corresponding elements of range

Answer 4

Mapping diagram

Question 5

Relation in which each element of the domain is paired with exactly one element in the range

Answer 5

Function

Question 6

Vertical line passes through at least two points on the graph, then one element of the domain is paired with more than one element of the range

Answer 6

Vertical line test

Question 7

Way a function is written

Answer 7

Function notation