2.1-2.3 Review - Algebra 2

Evaluate f(-2) if f(x) = x+3

• -1
• 1
• 5
• -5

What is the range of the relation shown on the mapping diagram?

• R:{3, 5, 8}
• R:{-7, 11}
• R:{3, 5, 8, 12}
• R:{all real numbers}

A set of ordered pairs is called what?

• Coordinates
• Relation
• Function
• Vertical Line Test

Does the table represent a function?

• Yes, there  is a repeated x-value. 
• No, there aren't any repeated y-values. 
• Yes, there are repeated y-values. 
• No, there is a repeated x-value. 

Does the mapping represent a function? 

• Yes
• No
• Sometimes
• IDK

• Function
• Not a Function

Which graph does NOT pass the vertical line test?

• Graph 1
• Graph 2
• Graph 3
• Graph 4

For the function f(x) = -3(x-1) find f(0).

• 0
• -3
• 3
• -1

Is this graph a function or not a function? 

• Function 
• Not a Function

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