Functions Review

Given f(x) = -4x - 10 and f(x) = 10. Find x

• x = -5
• x = 5
• x = -50
• x = 30

Is this a function? 

• Yes 
• No

All of the y values or outputs are called what?

• Domain
• Range
• Relation
• Function

Which graph is NOT a function?

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

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 this table represent a function?

• Function
• Not a Function

Let w(x) = 3x - 7. If w(x) = 14, find x.

• 7
• 35
• 2.33333
• -49

What is the RANGE of this graph?

• -7<x<5

• -7≤y<5

• -3<x<1

• -3≤y<1

What is the DOMAIN of this graph?

• x < -3

• x ≤ -3

• x > -3

• x ≥ -3

What is the Range?

• y ≥ 6

• -10 ≤ y ≤ 6

• -10 ≤ x ≤ 6