{ ( 3 ,0 ) , ( 2 , 4 ) , ( -6 , 5 )}

{ ( 0 , -3 ) , ( -4 , -2 ) , ( -5 , 6 )}

{ ( -3 , 0 ) , ( -2 , -4 ) , ( 6 , -5 ) }

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

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

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

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

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

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