Notes Over 2.1 Function {- 3, - 1, 1, 2 } { 0, 2, 5 }

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Presentation transcript:

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

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

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

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

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

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

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

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

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

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

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

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

Notes Over 2.1