Functions and Their Inverses Review

The inverse of the function f(x) is written as ...

• f ^-1(x)

• f ²(x)

• f '(x)

• f ⁺(x)

Tags

CCSS.HSF-BF.B.4A

Which of the following is NOT TRUE about inverse functions?

• Inverse functions are reflections of each other over the line y = x.

• You find the inverse by switching x and y in the equation.

• The domain of a function always becomes the domain of its inverse.

• The domain of a function always becomes the range of its inverse.

Tags

CCSS.HSF-BF.B.4C

Which is f ^-1(x)?

• f ^-1(x) = 3x + 5

• f ^-1(x) = 3x - 5

• f ^-1(x) = 3x - 15

• f ^-1(x) = 3x + 15

Tags

CCSS.HSF-BF.B.4A

What is the domain and range of the function f(x)=2^(x-4)+5?

• D: (-∞, ∞)
  R: [4, ∞)

• D: (-∞, ∞)
  R: (-∞, ∞)

• D: (-∞, ∞)
  R: [5, ∞)

• D: (-∞, ∞)
  R: (∞, 5]

Is this table a function or not a function? 

• Function

• Not a Function

Tags

CCSS.8.F.A.1

• Function
• Not a Function

Is this graph a function or not a function? 

• Function

• Not a Function

Is this graph a function or not a function? 

• Function 

• Not a Function 

are these inverse functions?

• no

• yes

• no way to tell

Tags

CCSS.HSF-BF.B.4B

What is the RANGE of the function?

• All Real Numbers

• y ≤ 4

• y < 4

• 0 < y < 4

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5