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November 26, 2014

November 26, 2014

Posted by **Anonymous** on Thursday, January 6, 2011 at 9:18pm.

and g(x) = (4x-3)/(2-x)

Solve for x in f(g(x))

I tried this but I could not end up with the answer being x

- Precalc -
**Reiny**, Thursday, January 6, 2011 at 9:26pmf(g(x) = [2(4x-3)/(2-x) + 3]/[(4x-3)/(2-x) + 4]

= [(8x-6 + 6-3x)/(2-x)] / [(4x-3 + 8-4x)/(2-x)]

= [5x/(2-x)] / [5/(2-x)]

= [5x/(2-x)] [(2-x)/5]

= 5x/5

= x

- Precalc -
**Anonymous**, Thursday, January 6, 2011 at 9:33pmthank you so much

- Precalc -
**Reiny**, Thursday, January 6, 2011 at 9:34pmwelcome

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