Unit 1 Lesson 1.2 : Functions Vs. Relations

Question 1

A ____ is a set of objects, such as numbers, grouped with each other that may or may not represent a pattern. It is simply a set of ordered pairs that arranged in an orderly manner.

Answer 1

relation

Question 2

Identify what type of relation.

Each value of x is unique and is associated with a unique value of x.

e.g :

x y
1 <—> 2
2 <—> 4
3 <—> 6
4 <—> 8

Answer 2

One-to-one correspondence

Question 3

Identify what type of relation.

Two or more values of x are associated with the same value of y

e.g:

x y
1 <—>
2 <—> 4
3 <—>
4

Answer 3

Many-to-one correspondence

Question 4

Identify what type of relation.

Some values of x are associated with more than one value of y.

e.g:

x y
<—> 2
2 <—> 4
<—> 6
<—> 8

Answer 4

One-to-many correspondence

Question 5

Identify what type of relation.

Some values of both x and y are associated with more than one value of their counterpart.

e. g

(Arrows pointing everywhere at every digit it could land on.)

Answer 5

Many-to-many correspondence

Question 6

The _____ can be used to determine if a graph represents a function.

Answer 6

vertical line test