document.write( "Question 818462: S(x)=-4x^2-1 and w(x)=3x+1, find (sw)(2)
\n" );
document.write( "(sw)(2)= \n" );
document.write( "
Algebra.Com's Answer #493802 by stanbon(75887) ![]() You can put this solution on YOUR website! S(x)=-4x^2-1 and w(x)=3x+1, find (sw)(2) \n" ); document.write( "------- \n" ); document.write( "Comment: I think you probably want the composite, SoW(x). \n" ); document.write( "-------- \n" ); document.write( "SoW(x) = S[W(x)] = S[3x+1] = -4(3x+1)^2-1 = -4[9x^2+6x+1]-1 \n" ); document.write( "----- \n" ); document.write( "= -36x^2 -24x -5 \n" ); document.write( "========================== \n" ); document.write( "(SoW)(2)= S[W(2)] = S[7] = -4(49)-1 = -197 \n" ); document.write( "========================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "-------------- \n" ); document.write( " \n" ); document.write( " |