Inverse functions

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

If the equation of f(x) goes through (1, 4) and (4, 6), what points does f^-1(x) go through?

• (1, 4) and (4, 6)
• (-4, -1) and (-6, -4)
• (-1, -4) and (-4, -6)
• (4, 1) and (6, 4)

Tags

CCSS.HSF-BF.B.4C

The inverse has been reflected over which line?

• y = x
• y =1
• y = 0
• y = x + 1

Tags

CCSS.HSF-BF.B.4B

Given that f(x) = 3x + 5 and g(x) = 1/3x + 5, find f(g(x)).  Are the two functions inverses of each other?

• x + 20 ; Yes they are inverses
• x + 20 ; No, they are not inverses
• x ; Yes they are inverses
• x ; No, they are not inverses

Tags

CCSS.HSF-BF.B.4B

Find the inverse function

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Tags

CCSS.HSF-BF.B.4A

Find the inverse function

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Tags

CCSS.HSF-BF.B.4A

Find the inverse function

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Tags

CCSS.HSF-BF.B.4A

Tags

CCSS.HSF-BF.B.4A

What's the best description?

• Not inverses, and both are functions

• Inverses, and they are not both functions.

• Not inverses, and they are not both functions.

• Inverses, and both are functions

Tags

CCSS.HSF-BF.B.4B

• TRUE
• FALSE

Tags

CCSS.HSF.BF.B.4