1. By: Gilberto Rodriguez
Relation
By: Gilberto Rodriguez

2. What is a Relation! Examples of Relation!
A relation is a set of ordered pairs!
Examples of Relation!
x2 (squaring) is a function
"f(x) = ... " is the classic way of writing a function

3. Ways it could be expressed!
These can be expressed as a table of value, a graph, a map, and many more!
How is relation a function?
What makes a relation a function is because if the Y value is only with the x value!
Examples of a relation to a function!
YES NO
1 2
4 3

4. What is the Domain of a function?
For a function f defined by an expression with variable x, the implied domain of f is the set of all real numbers variable x can take such that the expression defining the function is real. The domain can also be given explicitly.

5. What is the range is a function?
The range of a function is all the y values.
A real world Example!
Mr. loisel earns $12 an hour!
1x12=12
2x12=24
3x12=36
4x12=48

6. Examples of possible values for Domain and range!