2.1 Relations and Function

Question 1

Set of pairs of input and output values

Answer 1

Relation

Question 2

Set of all inputs or x-coordinates

Answer 2

Domain

Question 3

Set of all outputs or y-coordinates

Answer 3

Range

Question 4

Links elements of the domain with corresponding elements of the range

Answer 4

Mapping diagram

Question 5

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

Answer 5

Function

Question 6

use it on the graph of a relation to tell whether the relation is a function.

Answer 6

Vertical-line test

Question 7

f(x) as “f of x” or “a function f of x.”

Answer 7

Function notation