document.write( "Question 696865: if f(x)= x^2+2/x-1 and g (x) = 2/x, determine f (3), g (3), (f-g) (3), (fg)(3), and f o g (3) \n" ); document.write( "
Algebra.Com's Answer #429432 by mathbird(71)\"\" \"About 
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f(x)= x^2+2/x-1
\n" ); document.write( "f(3)=3^2+2/3-1
\n" ); document.write( " =9+2/2
\n" ); document.write( " =9+1
\n" ); document.write( " =10
\n" ); document.write( "g (x) = 2/x
\n" ); document.write( "g(3)=2/3
\n" ); document.write( "(f-g) (3)=
\n" ); document.write( "(f-g)=(x^2+2/x-1)-(2/x)
\n" ); document.write( " =(x^3+2)/(x^2-x)
\n" ); document.write( "(f-g)(3)=(3^3+2)/(3^2-3)
\n" ); document.write( " =29/6\r
\n" ); document.write( "\n" ); document.write( " (fg)(3)=f(3)*g(3)
\n" ); document.write( " =10*2/3
\n" ); document.write( " =20/3
\n" ); document.write( "fog(3)=f *g[3]
\n" ); document.write( " =f(2/3)
\n" ); document.write( " =(2/3)^2+2/(2/3 -1)
\n" ); document.write( " =4/9+ (2/█(2/3-1))
\n" ); document.write( " =4/9+6/(-1)
\n" ); document.write( " =-50/9 \n" ); document.write( "
\n" );