INVERSE and Composition of Functions

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

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

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

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

 $f^{-1}\left(x\right)=5-x^3$  

 $f^{-1}\left(x\right)=\sqrt{x-5}$  

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

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

 $f^{-1}\left(x\right)=x^2-8x-21$  

 $f^{-1}\left(x\right)=x^2+8x+21$  

 $f^{-1}\left(x\right)=x^2-8x+11$  

 $f^{-1}\left(x\right)=x^2-8x+21$  

 $g^{-1}\left(x\right)=x^2-12x+29$  

 $g^{-1}\left(x\right)=x^2+12x+29$  

 $g^{-1}\left(x\right)=x^2-12x+43$  

 $g^{-1}\left(x\right)=x^2+12x+43$  

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

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

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

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

 $p^{-1}\left(x\right)=x^3-9x^2+27x-35$  

 $p^{-1}\left(x\right)=x^3+9x^2+27x-35$  

 $p^{-1}\left(x\right)=x^3-9x^2+27x+35$  

 $p^{-1}\left(x\right)=x^3+9x^2-27x+35$  

(FoG)(x)=3x-21

(FoG)(x)=2x-21

(FoG)(x)=6x-7

(FoG)(x)=6x-21

none of these answers

(G o F)(x)=8x-7

(G o F)(x)=8x+8

(G o F)(x)=8x+2

(G o F)(x)=8x+7

none of these answers

 $\left(P\ o\ Q\right)\left(x\right)=x^2-2x+5$  

 $\left(P\ o\ Q\right)\left(x\right)=x^2-2x-3$  

 $\left(P\ o\ Q\right)\left(x\right)=x^2+2x+3$  

 $\left(P\ o\ Q\right)\left(x\right)=x^2+2x+3$  

none of these answers

 $\left(D\ o\ G\right)\left(x\right)=x^2+x+12$  

 $\left(D\ o\ G\right)\left(x\right)=x^2+x-12$  

 $\left(D\ o\ G\right)\left(x\right)=x^2-x$  

 $\left(D\ o\ G\right)\left(x\right)=x^2+x$  

none of these answers