Linear Functions 1

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

• Relation
• Linear
• Exponential
• Function

What is the domain?

• the set of all x-values
• the set of all y-values

What is the range?

• the set of all x-values
• the set of all y-values

What is the range of the following graph?

• R: {-5, -1,  0 , 1, 5}
• R: {-4, -2, 0, 3, 6}

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

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

Does this mapping diagram represent a function?

• No, because there are repeating input values
• Yes, because there are no repeating input values

Is relation shown a function?

• YES
• NO

Is the relation a function?

• YES
• NO

Is the relation a function? 
{(-6, -1), (5,-1), (0, -1), (-2, -1), (3, -1)}

• Yes
• No