Determine Whether It's a Function

Determine whether the relation is a function?

• Yes

• No

Determine whether the relation is a function.

• Yes

• No

What is this? 

• Linear function

• Nonlinear function

• Linear, but not a function

• Nonlinear and not a function

Determine if the graph is a function. `​​ (a)   `

• Function

• Not a Function

Determine if the graph is a function. `​ (a)   `

• Not a Function

• Function

Determine if the graph is a function. `​​ (a)   `

• Function

• Not a Function

Is this a function?  (a)  

The domain is​ (b)  

The range is​ (c)  

• Yes

• No

• {-1, 0, 1, 2, 3}

• {-1, 1, 2, 3}

• {1, 2, 3}

• {0, 1, 2, 3}

Is this a function?  (a)  

The domain is​ (b)  

The range is​ (c)  

• Yes

• No

• {-1, 0, 1, 2, 3}

• {-1, 1, 2, 3}

• {1, 2, 3}

• {0, 1, 2, 3}

Determine if the graph is a function. `​​ (a)   `

• Function

• Not a Function

The following mapping is​ (a)   because ​ ​ (b)   .

• a function

• each input maps to exactly one output.

• not a function

• both a function and one-to-one

• each output maps to exactly one input

• neither the x's or y's repeat