document.write( "Question 1210580: graph the function g(x)=-0.5x^2 then describe g(x) when compared to f(x)=x^2 \n" ); document.write( "
Algebra.Com's Answer #854022 by MathLover1(20855)\"\" \"About 
You can put this solution on YOUR website!
\r
\n" ); document.write( "\n" ); document.write( "\"g%28x%29++=+f%28x%29+%2B+C\"\r
\n" ); document.write( "\n" ); document.write( "if \"C+%3E+0\" moves it up
\n" ); document.write( "if \"C+%3C+0\" moves it down\r
\n" ); document.write( "\n" ); document.write( "in your case \"C=0\", so \"g%28x%29\" passes through origin and does not move\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"y+=+Cf%28x%29\"\r
\n" ); document.write( "\n" ); document.write( "if \"C+%3E+1\" stretches it in the y-direction
\n" ); document.write( "if \"0+%3C+C+%3C+1\" compresses it
\n" ); document.write( "in your case \"C=-0.5\" or \"-1%2F2\", so \"g%28x%29\" compresses \"2\" times in \"y\"-direction\r
\n" ); document.write( "\n" ); document.write( "since \"C=-0.5\", \"g%28x%29\" will be flipped upside down :\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"g%28x%29+=+-0.5x%5E2\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "since \"g%28x%29+=+-f%28x%29\" reflects it about x-axis\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "so, \"g%28x%29+\"compressed \"2\" times in \"y\"-direction , flipped upside down, and reflected about x-axis\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"+graph%28+600%2C+600%2C+-10%2C+10%2C+-10%2C+10%2C+-0.5x%5E2%2C+x%5E2%29+\"\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "
\n" );