Given that
f:x -->3-x
g:x --> x+2/x-5
derive the expression for gf(x)
4 answers
g(f(x))=(3-x)+2/(3-x)-5 now combine terms.
how to combine ?? that's wat i have problem withh ??
Get a common denominator, and combine. If you don't know how to do that, http://regentsprep.org/Regents/math/ALGEBRA/AV5/addsubt.htm
still don't understand how to combine this . can u show me ?