iamastar14
iamastar14
12-04-2017
Mathematics
contestada
if f(x( =1/9x-2 what is f-1(x)
Respuesta :
Ashlen265
Ashlen265
12-04-2017
You first switch f(x) with x in this equation
x=
1
9f(x)â2
Then you solve for f(x).
9f(x)â2=
1x
9f(x)=
1x
+2
f(x)=
1
/9x
+
2/9
Then you simply repalace f(x) with f^-1(x) It will look like this
fâ
1(x)=
1
/9x
+
2/
9
Hope i could help
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