Posted by Sarah on .
Let F(x)= X^2+ 5 and G9x)= (x+1) / (x1). Find (a) F3G and (b) F(g(x))

Math 
Steve,
F3G = (x^2+5)3(x+1)/(x1)
= (x2)(x^2+x+4)/(x1)
or other massaging as you wish
F(G) = G^2+5 = [(x+1)/(x1)]^2 + 5
= 2(3x^24x+3)/(x1)^2