8th Grade Unit 6 Introduction to Functions Review

.

• Function
• Not a Function

Tags

CCSS.8.F.A.1

Does the graph represent a function?

• Yes, because the vertical line test shows there are no repeating input values
• No, because the vertical line test shows there are repeating input values

A relation where every input in matches with exactly one output is called what?

• Relation
• Linear
• Exponential
• Function

Tags

CCSS.8.F.A.1

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

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

For the function {(0,1), (1,-3), (2,-4), (-4,1)}, write the domain.
Remember:  Domain is x 
(x,y)

• D: {1, -3, -4,}
  R: {0, 1, 2, -4}
• D:{0, 1, 2, -4}
  R:{1, -3, -4}
• D:{0, 1, 2, 3, 4}
  R:{1, -3, -4}

Is it a function?

• It IS a function.

• It IS NOT a function

Tags

CCSS.8.F.A.1

Is it a function?

• It IS a function.

• It IS NOT a function

Tags

CCSS.8.F.A.1

Is it a function?

• It IS a function.

• It IS NOT a function

What is the domain of the relation shown in the table?

• {12}

• {6, 18}

• {3, 9, 15, 16}

• {13}