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Recent problems solved by 'ramya2010'

ramya2010 answered: 1 problems
Functions/377500: If f(x) = (2x-5)/(x+6), Find f^-1(x). aka: Find the inverse.
2x-5 =y(x+6)
2x= yx+6y+5
2x= yx +6y +5
2x-yx=6y+5
x(2-y)= 6y+5
x= (6y+5)/(2-y)
ie f^-1(x)=(6x+5)/(2-x)
1 solutions

Answer 268226 by ramya2010(1) About Me  on 2010-11-29 08:24:36 (Show Source):
You can put this solution on YOUR website!
If f(x) = (2x-5)/(x+6), Find f^-1(x). aka: Find the inverse.
2x-5 =y(x+6)
2x= yx+6y+5
2x= yx +6y +5
2x-yx=6y+5
x(2-y)= 6y+5
x= (6y+5)/(2-y)
ie f^-1(x)=(6x+5)/(2-x)