LoBoZo
LoBoZo LoBoZo
  • 19-12-2018
  • Mathematics
contestada

if f(x)=5x-7 then f^-1=__ _

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 02-01-2019

Answer:

f^-1(x) = (x +7)/5

Step-by-step explanation:

Set x = f(y) and solve for y.

... x = 5y -7

... x+7 = 5y

... (x+7)/5 = y . . . . this is the inverse function

f^-1(x) = (x +7)/5

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