Respuesta :

xxTSUNAMIxx
The function: f(x) 2x+3
Subtract 3 from both sides: y-3 2x
Divide both sides by 2: (y-3)/2 x
Swap sides: x (y-3)/2
Solution (put "f-1(y)" for "x") : f-1(y) (y-3)/2

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