Understanding functions

Which equation is the inverse of the equation above?

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Find the inverse of f(x)=log₃(x+2)

• f^-1(x)=1^x
• f^-1(x)=3^x-2
• f^-1(x)=3^(x-2)
• f^-1(x)=3^(x+2)

If f(x)=x+5, what is the inverse?

• (x + 5)²

• x - 5

• (x + 5)^-1

• undefined

Which equation is the inverse of the equation above?

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 $For\ the\ Function\ f\left(x\right)=6\left(x+1\right),\ find\ f^{-1}\left(x\right).$  

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

•  $f^{-1}\left(x\right)=x^3+10$  

•  $f^{-1}\left(x\right)=\sqrt{3x}$  

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