captaincanary52 captaincanary52
  • 15-11-2018
  • Mathematics
contestada

How do I find the inverse of the function f(x) = 3(3x+4)

Respuesta :

eturner19
eturner19 eturner19
  • 24-11-2018

so f(x) is equal to them saying y = 3(3x+4)

here is an example of how to solve an inverse function

f(x)=3(3x+4) x=93

switch x and y which will give you this

x = 3(3y+4)

substitute 93 in for x

93=3(3y+4)

then solve

93=9y+12

subtract 12 from both sides which will give you

81=9y

then divide by 9 on both sides to get

9=y

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