document.write( "Question 799185: Hello, \r
\n" );
document.write( "\n" );
document.write( "I'm hoping that you can help me with a function question. I've gotten as far as what I typed below. The book shows the answer as 33. I've checked to make sure I'm looking at the correct answer for problem and am absolutely beside myself as to how they came to that answer. Here's what I've got so far. Can you please let me know if I'm on track. If not, can you tell me where I went wrong?\r
\n" );
document.write( "\n" );
document.write( "f(x)=X^2-3
\n" );
document.write( "g(x)=2x+1\r
\n" );
document.write( "\n" );
document.write( "Find (f+g)(5)\r
\n" );
document.write( "\n" );
document.write( "(x^2-3)(5) + (2x+1)(5)
\n" );
document.write( "5x^2-10+10X\r
\n" );
document.write( "\n" );
document.write( "(question does not state that I should factor at this point) \n" );
document.write( "
Algebra.Com's Answer #482535 by mananth(16946)![]() ![]() You can put this solution on YOUR website! f(x)=X^2-3 \n" ); document.write( "g(x)=2x+1\r \n" ); document.write( "\n" ); document.write( "(f+g)x= x^2-3+2x+1\r \n" ); document.write( "\n" ); document.write( "=x^2+2x-2\r \n" ); document.write( "\n" ); document.write( "(f+g)(5) = 5^2+2*5-2\r \n" ); document.write( "\n" ); document.write( "=25+10-2 \n" ); document.write( "=33 \n" ); document.write( " |