document.write( "Question 389755: If f(x)=-4x^2 and g(x)=2/x, find [g ° f](x)\r
\n" ); document.write( "\n" ); document.write( "Thank you so much!!!!!
\n" ); document.write( "God Bless and Happy New Year!!!!!
\n" ); document.write( "

Algebra.Com's Answer #276296 by MathLover1(20850)\"\" \"About 
You can put this solution on YOUR website!
Given \"f%28x%29+=+-4x%5E2\" and \"g%28x%29+=+2%2Fx\", \r
\n" ); document.write( "\n" ); document.write( "to find: \"%28+f+o+g%29%28x%29\"\r
\n" ); document.write( "\n" ); document.write( "In this case, I am not trying to find a certain numerical value. Instead, I am trying to find the formula that results from plugging the formula for g(x) into the formula for f(x). I will write the formulas at each step, using parentheses to indicate where the inputs should go:\r
\n" ); document.write( "\n" ); document.write( " \"%28+f+o+g%29%28x%29+=+f+%28g%28x%29%29\"\r
\n" ); document.write( "\n" ); document.write( " = \"f+%282%2Fx%29\"\r
\n" ); document.write( "\n" ); document.write( " = \"-4%28+___++%29%5E2\" ... setting up to insert the input formula\r
\n" ); document.write( "\n" ); document.write( " = \"-4%282%2Fx+%29%5E2\"\r
\n" ); document.write( "\n" ); document.write( " = \"-4%284%2Fx+%5E2%29\"\r
\n" ); document.write( "\n" ); document.write( " = \"-16%2Fx+%5E2\"....or...\"-16%281%2Fx+%5E2%29\"\r
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "
\n" );