Introduction to Functions

Is this mapping a function or not a function? 

• Function

• Not a Function

Tags

CCSS.8.F.A.1

Is the relation a function? Why.

• Yes, because the x-value 11 has two y-values pair with it.

• Yes, because each x-value has only one y-value paired with it.

• No, because the x-value 11 has two y-values pair with it.

• No, because each x-value has only one y-value paired with it.

Tags

CCSS.8.F.A.1

• Function
• Not a Function

Is this table a function or not a function? 

• Function

• Not a Function

Tags

CCSS.8.F.A.1

A function exists when each ​ (a)   has exactly one ​ (b)   .

• input

• output

• graph

• slope

Tags

CCSS.8.F.A.1

A relationship in which each input is paired with exactly one output is called a ​ (a)  

• function

• Independent Variable

• Axis of Symmetry

• Slope

• Range

Tags

CCSS.8.F.A.1

A ​ (a)   is a relation where every ​ (b)   has exactly one​ (c)   .

• function

• input

• output

• relation

Tags

CCSS.8.F.A.1

A function is a rule that assigns exactly​ (a)   output to each possible input.

• one

• two

• three

• infinite

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

What is the definition of function? (a)  

• Has inputs and outputs

• Every input has only ONE output

• Inputs have different outputs every time

• x-values and y-values

Tags

CCSS.8.F.A.1

Is this graph a function or not a function? 

• Function

• Not a Function