document.write( "Question 355823: I do not understand what the symbol is that looks like a multiplication symbol but is open like a miniature o. I looked in my book and found that it means something like (f o g)(x) = f(g(x)). Like here is an example problem...\r
\n" );
document.write( "\n" );
document.write( "(f o h)(x),if f(x)=2x, g(x)=3x, and h(x)=4\r
\n" );
document.write( "\n" );
document.write( "or (f o g)(4), let f(x)=3x-2 and g(x)=x^2+x\r
\n" );
document.write( "\n" );
document.write( "I know I am not really attempting to answer the question, but I don't understand it to try to answer. Please help me!! I have a math test tonight!! \n" );
document.write( "
Algebra.Com's Answer #254053 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! I do not understand what the symbol is that looks like a multiplication symbol but is open like a miniature o. I looked in my book and found that it means something like (f o g)(x) = f(g(x)). Like here is an example problem...\r \n" ); document.write( "\n" ); document.write( "(f o h)(x),if f(x)=2x, g(x)=3x, and h(x)=4\r \n" ); document.write( "\n" ); document.write( "or (f o g)(4), let f(x)=3x-2 and g(x)=x^2+x \n" ); document.write( "----------------- \n" ); document.write( "It's what you stated. \n" ); document.write( "(f o g) (x) = f(g(x)) \n" ); document.write( "Evaluate g(x), then use that value in f(x) \n" ); document.write( "----------------- \n" ); document.write( "(f o h)(x),if f(x)=2x, g(x)=3x, and h(x)=4 \n" ); document.write( "h(x) = 4 \n" ); document.write( "(f o h)(x) = f(4) = 8 \n" ); document.write( "----------------------- \n" ); document.write( "or (f o g)(4), let f(x)=3x-2 and g(x)=x^2+x \n" ); document.write( "g(4) = 40 \n" ); document.write( "f(20) = 58 \n" ); document.write( " \n" ); document.write( " |