document.write( "Question 1088921: what is the range of y= -x^2-5x+6
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Algebra.Com's Answer #703236 by josmiceli(19441) $\"\"$ $\"About$

You can put this solution on YOUR website!
This is a parabola with a peak.
\n" ); document.write( " $\"+x%5Bmax%5D+=+-b%2F%282a%29+\"$
\n" ); document.write( " $\"+x%5Bmax%5D+=+-5%2F2+\"$
\n" ); document.write( "and
\n" ); document.write( " $\"+y%5Bmax%5D+=+-x%5E2+-+5x+%2B+6+\"$
\n" ); document.write( " $\"+y%5Bmax%5D+=+-%28-5%2F2%29%5E2+-+5%2A%28-5%2F2%29+%2B+6+\"$
\n" ); document.write( " $\"+y%5Bmax%5D+=+-25%2F4+%2B+25%2F2+%2B+6+\"$
\n" ); document.write( " $\"+y%5Bmax%5D+=+25%2F4+%2B+24%2F4+\"$
\n" ); document.write( " $\"+y%5Bmax%5D+=+49%2F4+\"$
\n" ); document.write( "The range is
\n" ); document.write( "49/4 > = f(x) > minus infinity
\n" ); document.write( "Here's the plot:
\n" ); document.write( " $\"+graph%28+400%2C+400%2C+-10%2C+10%2C+-10%2C+16%2C+-x%5E2+-+5x+%2B+6+%29+\"$
\n" ); document.write( "check the math & get another opinion if needed \n" ); document.write( "

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