1A Test (2/11/22)

Is the relation a function? Why.

• Yes, because the x-value 11 has two y-values pair with it.
• Yes, because each x-value has only one y-value paired with it.
• No, because the x-value 11 has two y-values pair with it.
• No, because each x-value has only one y-value paired with it.

• Function
• Not a Function

Is this mapping a function or not a function? 

• Function
• Not a Function 

Is this graph a function or not a function? 

• Function
• Not a Function

Does this relation represent a function?
(1,5), (1,6), (1,7), (1,8), (1,9)

• Yes
• No

f(x) is the same thing as ______.

• y
• x
• input
• an equation

Given h(x) = 5 - 9x, find h(8). 

• h(8) = -360
• h(8) = -67

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

• 0
• -3
• 3
• -1

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}

All of the x values or inputs are called what?

• Domain
• Range
• Relation
• Function