Question 33538
f(x)=5x-3/2x+1

y=5x-3/2x+1
x=5y-3/2y+1
(x=5y-3/2y+1)2y+1
2yx+1=10y-3
(-10y=-2xy+1-3)/10y

y=2xy+1-3
f-1(x)=2xy+1-3

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       -ERiCKA
 ...gud luck!!  =)