Relation and Function

Question 1

Who introduced function?

Answer 1

Gottfried Wilhelm Leibniz

Question 2

It is the rule that relates values from a set of values (domain) to a second set of values (range)

Answer 2

Relation

Question 3

It is the input, independent variable, domain, abscissa

Answer 3

x

Question 4

It is the output, dependent variable, range, ordinate

Answer 4

y

Question 5

How can we express relation?

Answer 5

Set of Ordered Pairs
Mapping Diagram
Table of Values
Equation
Graph

Question 6

Types of Relation

Answer 6

One to One
Many to One
One to Many

Question 7

It is a relation where each element in the domain is related to only one value in range.

Answer 7

Function

Question 8

Among the types of sets what is not function?

Answer 8

One to many, where domain is repeated

Question 9

In graph, how to identify if it is function?

Answer 9

When it passed the vertical line test (the line will only go through in one point)

Question 10

It is often in practical applications, the value of one quantity depends on the value of another.

Answer 10

Function Notation