1. Notes Over 2.1 Function {- 3, - 1, 1, 2 } { 0, 2, 5 }
Identifying Functions
Identify the domain and range. Then tell whether the relation is a function.
1. Input Output
{- 3, - 1, 1, 2 }
Domain: 1 3 2 5 2
{ 0, 2, 5 }
Range:
Function

2. Notes Over 2.1 Function {- 3, - 2, 5 } { 6, 7, 8 }
Identifying Functions
Identify the domain and range. Then tell whether the relation is a function.
2. Input Output
{- 3, - 2, 5 }
Domain: 2 3 5 6 7 8
{ 6, 7, 8 }
Range:
Function

3. Notes Over 2.1 Not a Function {- 4, - 2, 0 } {- 2, - 1, 3, 4 }
Identifying Functions
Identify the domain and range. Then tell whether the relation is a function.
3. Input Output
{- 4, - 2, 0 }
Domain: 4 2 3
- 1 2 4
{- 2, - 1, 3, 4 }
Range:
Not a Function

4. Notes Over 2.1 Graphing a Function Graph the function. x y -2 -1 1 21 2 -6 -5 -4 -3 -2

5. Notes Over 2.1 Graphing a Function Graph the function. x y -2 -1 1 2 21 2 2 1 -1 -2

6. Notes Over 2.1 Graphing a Function Graph the function. x y -2 -1 1 21 2 -3 -3 -3 -3 -3

7. Notes Over 2.1 Graphing a Function Graph the function. x y -2 -1 1 21 2 -8 -5 -2 1 4

8. Notes Over 2.1 Graphing a Function Graph the function. x y -2 -1 1 2 61 2 6 5 4 3 2

9. Notes Over 2.1 Graphing a Function Graph the function. x y -2 -1 1 21 2 -2 2 4 6

10. Notes Over 2.1 Evaluating Functions
Evaluate the function for the given value of x.

11. Notes Over 2.1 Evaluating Functions
Evaluate the function for the given value of x.

12. Notes Over 2.1 Evaluating Functions
Evaluate the function for the given value of x.

13. Notes Over 2.1