Function Notation

Range
Relation
Function
Domain
Practical Domain
Practical Range

Vertical Line Test
1. A mapping from a set of inputs to a set of outputs

2. Set of allowable inputs (usually x-values)

3. Set of allowable outputs (usually y-values)

4. A relation in which every element of the domain is assigned to exactly one element of the range

5. If two points of a graph lie on ANY vertical line, the graph is NOT a function

6. A function equation written so that the output variable (y) is replaced with the function’s name and the input variable

7. The set of REALISTIC inputs

8. The set of REALISTIC outputs