FG-2 (Inverse Functions)

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.4A

What is the best description?

• They are both functions, but not inverse functions.

• They are inverse functions.

• They are reflected over y=x, but they are not both functions.

• They are not reflected over y=x, and they are not both functions.

Tags

CCSS.HSF-BF.B.4B

What's the best description?

• They are both functions, but not inverse functions.

• They are reflected over y=x, but they are not both functions.

• They are not reflected over y=x, and they are not both functions.

• They are inverse functions.

Tags

CCSS.HSF-BF.B.4B

Which graph represents f^-1(x) over the same domain?

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Tags

CCSS.HSF-BF.B.4C

f(x) = -4x - 12

What is f^-1(x)?

• f^-1(x) = 4x - 3

• f^-1(x) = -1/4x - 3

• f^-1(x) = 1/4x + 3

• f^-1(x) = -4x - 3

Tags

CCSS.HSF-BF.B.4A

Which is f ^-1(x)?

• f ^-1(x) = 5x + 3

• f ^-1(x) = 5x - 3

• f ^-1(x) = 5x - 15

• f ^-1(x) = 1/5(x) + 3/5

Tags

CCSS.HSF-BF.B.4A

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Tags

CCSS.HSF-BF.B.4D

How must the domain of f(x) be restricted such that g(x)=f^-1(x) ?

• x ≤ 0

• x ≥ 0

• x ≤ 3

• x ≥ 3

Tags

CCSS.HSF-BF.B.4D

How must the domain of f(x) be restricted such that g(x)=f^-1(x) ?

• x ≤ -4

• x ≥ -4

• x ≤ 0

• x ≥ 0

Tags

CCSS.HSF-BF.B.4D

Find the inverse 
f(x)= x⁴ - 2

• ∜(x+2)
• (x+2)⁴
• -1+2x⁴
• ∜2x

Tags

CCSS.HSF-BF.B.4A