Respuesta :
You can say f(x) = 5x is the same as saying y = 5x to find f^-1 you need to 1st switch the x and y and solve for y
x = 5y
y = [tex] \frac{1}{5} x[/tex] = [tex] f^{-1} (x)[/tex]
x = 5y
y = [tex] \frac{1}{5} x[/tex] = [tex] f^{-1} (x)[/tex]