jaquaveonandre jaquaveonandre
  • 06-12-2017
  • Mathematics
contestada

What is the inverse of the function f(x) = 2x – 10?

Respuesta :

carlafossil320
carlafossil320 carlafossil320
  • 06-12-2017
Replace f(x) with y and proceed to make x the subject:
y=2x-10
y+10=2x
y+10/2=x
Now swap y with x and replace the isolated x with f(x), so
[tex] {f}^{ - 1}(x) = \frac{y + 10}{2} [/tex]
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