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lim f(x) = 0 when x approach to + - infinity, lim f(x) = - infinity when x approach to 0, f(2) = 0, lim f(x) = infinity when x approach to 3- , lim f(x) = - infinity when x approach to 3+

2007-05-22 02:48:12 · 3 answers · asked by ABC911 1 in Science & Mathematics Mathematics

3 answers

is the lim f(x) = -infinity when x approaches 0+ and from 0- as well?

I have found
y = (x-2)/(-x^2+3x) to be close, but lim f(x) = + infinity when x approaches 0-

2007-05-22 03:06:55 · answer #1 · answered by Orinoco 7 · 0 0

-(x-2)^2(1-1/(x+3)^12+1/(x-3)^12) It works.

2007-05-22 09:54:36 · answer #2 · answered by Anonymous · 0 0

f(x)=lnIxI*(x-2)/(3-x)IxI

2007-05-22 10:00:11 · answer #3 · answered by santmann2002 7 · 0 0

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