Inverses

What's the name of the inverse of g(x)?

• f(x)
• f^-1(x)
• y
• g^-1(x)

What is the first step in finding the equation of the inverse of a function?

• get x by itself

• switch x and y

• solve for y

• set x equal to 0

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)

are these inverse functions?

• no
• yes
• no way to tell

Are f(x) =x+6 and g(x) =x-6 inverses?

• Yes

• No

Is the inverse of this a function?

• No

• Yes

Is the inverse of this a function?

• Yes

• No

 $f\left(x\right)=\frac{x}{3}$  

Which is the inverse of f(x)?

•  $f^{-1}\left(x\right)=x+3$  

•  $f^{-1}\left(x\right)=x-3$  

•  $f^{-1}\left(x\right)=3x$  

•  $f^{-1}\left(x\right)=x^3$  

Choose the inverse

• A

• B

• C

• D

Choose the inverse

• A

• B

• C

• D