functions

Is this a function? Explain

A local boutiques sells water bottles for a set price, plus an additional fee for each letter that customers would like engraved on their water bottle. The pricing for up to 4 engraved letters is shown in the table. Write an equation to represent the relationship between the number of letters and total cost.

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Does the graph above represent a function? Explain how you know.

Does the table below represent a linear function? Why or why not?

Tags

CCSS.8.F.A.3

• 27

• 21

• 24

• 72

Tags

CCSS.HSF.IF.A.2

Is this graph a function or not a function? 

• Function 
• Not a Function 

Find the Domain.

• All real numbers
• x > 3
• x > 0
• x ≥ 0

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

Give the domain and range. Tell if it is a function.

• D: {-4, -2, 0, 2}
  R: {-2, -2, 1, 1}
  Function
• D: {-4, -2, 0, 2}
  R: {-2, 1}
  Function
• D: {-4, -2, 0, 2}
  R: {-2, -2, 1, 1}
  Not a Function
• D: {-4, -2, 0, 2}
  R: {-2, 1}
  Not a Function

Tags

CCSS.8.F.A.1

Is the graph pictured a linear or nonlinear function?

• Linear
• Nonlinear

Tags

CCSS.8.F.A.3

• Function
• Not a Function