F.7 Functions Review

What is the definition of function?

• Has inputs and outputs

• Every input has only ONE output

• Inputs have different outputs every time

• x-values and y-values

Is this relation a function?

• Yes

• No

True or False: The mapping diagram above is an example of a function.

• True

• False

Determine whether the relation shown here is a function. Explain your answer.

• function, an input has 1 output

• function, an input has 2 different outputs

• function, no output has 2 different inputs

• not a function, an input has 2 different outputs

Which table does NOT represent a function?

• 
• 
• 
• 

The representation above is a...

• mapping diagram

• table

• graph

Which graph represents a function?

• 
• 
• 
• 

Is the graph pictured a function?

• Yes

• No

Is the graph pictured a function?

• Yes

• No

How do you read f(x)?

• f x

• f of x

• f parenthesis x

• f with an x inside parenthesis