Functions Unit

Does this graph represent a function?

• Function

• Not a function

• Only Coach Wagner knows

Find the Domain and Range of the graph in interval notation.

Find the Domain and Range of the graph in interval notation.

Why does this mapping not represent a function?

• Because the input 44 has two outputs

• Because the input 16 has three outputs

• Because the output 12 has two inputs

• Because the output 0 has three inputs

Does this graph represent a function?

• Function

• Not a function

• Only Coach Wagner knows

Find the Domain and Range of the graph in interval notation.

Find the Domain and Range of the graph in interval notation.

Find the Domain and Range of the graph.

Domain:​ ​ (a)  

Range: ​ (b)  

• {-5, -2, 1, 3, 6, 7}

• {0, 2, -2, -4, 5}

• {-5, 1, 2, 3, 4, 5}

• {-5, 2, -4, 6, 7}

• all real numbers

• {-6, -4, -2, 0, 2, 4}

• 0

• 3

• 1

• 2

• 4

• 5

• -1

• -2

• -3

• -4

• -57

• 15

• 75

• 23

• 25

• 12

• -23

• -53

• 44

• 10