Inverse Functions

Find the inverse of f(x) = -4x - 12

• f^-1(x) = 4x - 3
• f^-1(x) = -1/4x - 3
• f^-1(x) = 1/4x + 3
• f^-1(x) = -4x - 3

Find the inverse of
f(x) = 1/4x - 7

• f^-1(x) = 4x + 7
• f^-1(x) = -4x + 28
• f^-1(x) = -4x - 7
• f^-1(x) = 4x + 28

What does it mean to find the inverse of a function?

• the x's and y's are switched
• the x's and y's are divided by 2
• the x's and y's are made negative
• the x's and y's are the same

Find the inverse of the function
f(x) = 3x − 5

• f^-1(x)=3x +5
• f^-1(x)=(x+5)/3
• f^-1(x)=3y-5
• f^-1(x)=3y+5

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

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

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

•  $\frac{x}{3}$  

•  $\frac{3}{x}$  

•  $0.3x$  

•  $x\times3$  

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

•  $\frac{x-5}{1}$  

•  $\frac{x}{5}-1$  

•  $x-\frac{1}{5}$  

•  $\frac{x-1}{5}$  

 $f\left(x\right)=\frac{2x}{7}$  
Find  $f^{-1}\left(x\right)$  

•  $\frac{7x}{2}$  

•  $\frac{2}{7}x$  

•  $7x\times2$  

•  $2x\times7$  

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

•  $\frac{x-6}{2}$  

•  $6x+2$  

•  $2x+6$  

•  $6\left(x+2\right)$