January 5, 2021 Functions Review CW #1

• Function
• Not a Function

Is this mapping a function or not a function? 

• Function
• Not a Function

All of the y values or outputs are called what?

• Domain
• Range
• Relation
• Function

All of the x values or inputs are called what?

• Domain
• Range
• Relation
• Function

Which of these is NOT the same

• Range
• Input
• Dependent Value
• Y-Value

Is this graph a function or not a function? 

• Function
• Not a Function

Is this table a function or not a function? 

• Function
• Not a Function

For the function {(0,1), (1,-3), (2,-4), (-4,1)}, write the domain and range.

• 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}

What is the range of the following relation:
(9, -2) (4, 3)  ( 8, 10) ( -4, 8)

• -4, 4, 8, 9
• -2, 3, 8, 10
• (9, -2) ( 4, 3)
• (8, 10) (-4, 8)

Evaluate f(2):

f(x)=3x+1

• 7

• 9

• 11

• 13