Find Inverse of Functions

What operation allows us to verify if functions are inverses?

• Multiplying

• Dividing

• Adding

• Composing

Tags

CCSS.HSF-BF.B.4B

Find the inverse
f(x)=2x-2

• f^-1(x)=1/2x+1

• f^-1(x)=-2-1/2x

• f^-1(x)=-7/3x-20/3

• 2-2/5x

Tags

CCSS.HSF-BF.B.4A

What's the name of the inverse of g(x)?

• f(x)

• f^-1(x)

• y

• g^-1(x)

Tags

CCSS.HSF-BF.B.4A

Are these functions inverses?

• Yes

• No

Tags

CCSS.HSF-BF.B.4B

What is the inverse of the points
(1,3)(2,4)(6,8)

• (3,1)(4,2)(8,6)

• (-3,-1)(-4,-2)(-8,-6)

• (1,3)(2,4)(6,8)

• (-1,-3)(-2,-4)(-6,-8)

Tags

CCSS.HSF-BF.B.4C

Find the inverse of f(x) = x² - 5

• f^-1(x) = √(x) + 5

• f^-1(x) = ∛(x-5)

• f^-1(x) =√(x+5)

• f^-1(x) = x² - 5

Tags

CCSS.HSF-BF.B.4A

Are the blue and red graphs inverse functions?

• yes

• no

• no way to tell

Tags

CCSS.HSF-BF.B.4B

If f(x) = 3x-9, what is f ^-1(12)?

• 25

• 9

• 11

• 7

Tags

CCSS.HSF-BF.B.4A

If f and g are inverse functions, and
f(2) = -1     g(1) = -2     f(1) = -2, 
then which of the following MUST be true?

• g(-2) = 0

• g(1) = 1

• g(-2) = -3

• g(-1) = 2

Tags

CCSS.HSF-BF.B.4C

If the domain of f(x) is x ≥ 4, then the ____ of ____ is  y ≥ 4

• domain, f^-1(x)

• range, f(x)

• range, f^-1(x)

• domain, f(x)