1.5 mixed review on inverses

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

Are these functions inverses?

• Yes
• No

Tags

CCSS.HSF-BF.B.4B

Which graph represents the functions f(x) and f^-1(x)?

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Tags

CCSS.HSF-BF.B.4B

 $f\left(x\right)=3x$  
Find  $f^{-1}\left(x\right)$  

•  $\frac{x}{3}$  

•  $\frac{3}{x}$  

•  $0.3x$  

•  $x\times3$  

Tags

CCSS.HSF-BF.B.4A

The composition of a function and its inverse can be written f(f^-1(x)) or f^-1(f(x)). What does it always equal?

• x

• f(x)

• 1

• 0

Given f(x) = x+3, find f^-1(-2).

• -1
• 1
• 5
• -5

Tags

CCSS.HSF-BF.B.4A

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

Which is the inverse of the table?

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• 
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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

If f^-1(-25) = 7 then what is f(7) = 

• 25
• 7
• No enough information. 
• -25

Tags

CCSS.HSF-BF.B.4C