Functions Review

Which is a synonym for the y-values?

• Domain

• Input

• Relation

• Range

Which graph is not a function?

• 
• 
• 
• 

How do you know if a map shows a function?

• It has arrows

• Each output has exactly one arrow to an input.

• Each input has exactly one arrow to an output.

• Each input has more than one arrow to an output.

Which mapping shows a function?

• 
• 
• 
• 

A ______ is a set of inputs and a set of outputs, where each input is paired with exactly one output.

• function

• relation

• mapping

• VLT

Why does the graph not represent a function?

• Because it passes the VLT.

• Because there are two points with the same x-value.

• Because there are two points with the same y-value.

• It is a function.

What is a synonym for the input?

• range

• y-value

• output

• domain

Looking at the set of ordered pairs, which of the following values of x could be used to still represent a function?

• 2

• 5

• 9

• 7

True or False: All functions are relations but not all relations are functions.

• True

• False

What is the domain of the relation?

• {-7, -6, 3, 8, 8}

• {-7, -6, 3, 8}

• {-6, 1, 2, 3, 8}

• {3, 1, -6, 2, 8}

Tags

CCSS.HSS.ID.B.6