2.1 Relations and Functions

Question 1

A set of pairs of inputs and output values

Answer 1

Relations

Question 2

Of a relation, the set of all inputs

Answer 2

Domain

Question 3

Of a relation, the set of all outputs

Answer 3

Range

Question 4

A map linking elements of the domain to corresponding elements of the range

Answer 4

Mapping Diagram

Question 5

A relation in which each element of the domain is parried with exactly one element in the range

Answer 5

Function

Question 6

On a graph of a relation to tell whether the relation is a function

Answer 6

Vertical-Line Test