iamrayy iamrayy
  • 12-07-2018
  • Mathematics
contestada

If f(x)= -8x+4,then f^-1(x)=?

Respuesta :

ahonyek
ahonyek ahonyek
  • 12-07-2018

f(x)= -8x+4 to find the inverse replace f(x) with y and solve for x


y= -8x +4

y-4=-8x

x= - (y-4)/8


So you replace now x with f^-1(x) and y with x to get the answer:

f^-1(x)= - (x-4)/8

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