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.4C

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

•  $\frac{x}{3}$  

•  $\frac{3}{x}$  

•  $0.3x$  

•  $x\times3$  

Tags

CCSS.HSF-BF.B.4A

 $f\left(x\right)=7x$  
Find  $f^{-1}\left(x\right)$  

•  $\frac{x}{7}$  

•  $\frac{7}{x}$  

•  $0.7x$  

•  $x\div\frac{1}{7}$  

Tags

CCSS.HSF-BF.B.4A

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

•  $\frac{8}{x}$  

•  $8x$  

•  $\frac{1}{8}x$  

•  $x\div8$  

Tags

CCSS.HSF-BF.B.4A

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

•  $\frac{3}{x}$  

•  $3x$  

•  $\frac{x}{3}$  

•  $x\div3$  

Tags

CCSS.HSF-BF.B.4A

Select the two functions which are inverses of each other:

• $x+10$

• $x-10$

• $\frac{x}{10}$

• $\frac{10}{x}$

Tags

CCSS.HSF-BF.B.4B

Select the two functions which are inverses of each other:

• $x-4$

• $4x$

• $\frac{x}{4}$

• $\frac{4}{x}$

Tags

CCSS.HSF-BF.B.4B

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

•  $\frac{x-5}{1}$  

•  $\frac{x}{5}-1$  

•  $x-\frac{1}{5}$  

•  $\frac{x-1}{5}$  

Tags

CCSS.HSF-BF.B.4A