8 Lesson 18: Introduction to Functions

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

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

All of the x values or inputs are called what?

• Domain
• Range
• Relation
• Function

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

All of the y values or outputs are called what?

• Domain

• Range

• Relation

• Function

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.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

Is this graph a function or not a function? (Use the vertical line test)

• Function

• Not a Function

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.4

CCSS.HSF.IF.B.5

Is this graph a function or not a function? (Use the vertical line test)

• Function

• Not a Function

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.5

Is this mapping a function or not a function? 

• Function
• Not a Function 

Tags

CCSS.8.F.A.1

Which of these is NOT the same

• Range
• Input
• Dependent Value
• Y-Value

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Which of these tables represents a function?

• W

• Y

• Z

• X

Tags

CCSS.8.F.A.1

Which of these graphs represents a function?

• Z

• W

• X

• Y

Tags

CCSS.HSA.REI.D.10

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.4

CCSS.HSF.IF.B.5