document.write( "Question 29814: Let f(x) = 9-x^2, g(x) = 3-x. Find (f+g) (x). \n" ); document.write( "

Algebra.Com's Answer #16583 by sdmmadam@yahoo.com(530) $\"\"$ $\"About$

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Let f(x) = 9-x^2, g(x) = 3-x. Find (f+g) (x).
\n" ); document.write( "f(x) = 9-x^2 ----(1)
\n" ); document.write( "g(x) = 3-x. ----(2)
\n" ); document.write( "(1) and (2) being polynomials in x are defined for all x
\n" ); document.write( "Now (f+g)(x)= f(x)+g(x)
\n" ); document.write( "= (9-x^2)+ (3-x)
\n" ); document.write( "=-x^2-x+12 (by additive commutativity and associativity)
\n" ); document.write( "which is again a polynomial in x defined for all x \n" ); document.write( "

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