Function Inverse Practice

If f(x)=x+5, what is f^-1(x)?

• (x + 5)²

• x - 5

• (x + 5)^-1

• undefined

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 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.4

 $f\left(x\right)=\frac{8x-3}{5}$  
Find  $f^{-1}\left(x\right)$  

•  $5\left(8x+3\right)$  

•  $\frac{5x}{8}+3$  

•  $\frac{5\left(x+3\right)}{8}$  

•  $\frac{5x+3}{8}$  

Tags

CCSS.HSF-BF.B.4A

 $f\left(x\right)=\frac{x-2}{6}$  
Find  $f^{-1}\left(x\right)$  

•  $\frac{x-6}{2}$  

•  $6x+2$  

•  $2x+6$  

•  $6\left(x+2\right)$  

Tags

CCSS.HSF-BF.B.4A

Find the inverse of the function.
 $f\left(n\right)=-4-\frac{2}{5}n$  

•  $f^{-1}\left(n\right)=\frac{-6-5n}{2}$  

•  $f^{-1}\left(n\right)=3n-4$  

•  $f^{-1}\left(n\right)=-\frac{5}{2}n-10$  

•  $f^{-1}\left(n\right)=\frac{-2n-4}{5}$  

Tags

CCSS.HSF.BF.B.4

FInd the inverse of the function.
 $f\left(x\right)=\frac{3x-15}{2}$  

•  $f^{-1}\left(x\right)=-x-5$  

•  $f^{-1}\left(x\right)=3x+5$  

•  $f^{-1}\left(x\right)=\frac{15+2x}{3}$  

•  $f^{-1}\left(x\right)=\frac{2}{3}x-\frac{19}{3}$  

Tags

CCSS.HSA.REI.B.3

CCSS.HSF.BF.B.4

 $f\left(n\right)=-n^3+2$  
Find the inverse of the function. 

•  $f^{-1}\left(n\right)=\left(n+1\right)^5$  

•  $f^{-1}\left(n\right)=^3\sqrt{-n+2}$  

•  $f^{-1}\left(n\right)=2n^5$  

•  $f^{-1}\left(n\right)=\left(n+3\right)^5$  

Tags

CCSS.HSF.BF.B.4

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

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