document.write( "Question 991724: Find the vertex, Axis of symmetry and minimum or maximum value of the function. Describe the domain and range of the function.
\n" ); document.write( "Y=-x(squared)+4x-1 \n" ); document.write( "

Algebra.Com's Answer #611601 by Fombitz(32388) $\"\"$ $\"About$

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Convert to vertex form by completing the square.
\n" ); document.write( " $\"y=x%5E2%2B4x-1\"$
\n" ); document.write( " $\"y=%28x%5E2%2B4x%2B4%29-1-4\"$
\n" ); document.write( " $\"y=%28x%2B2%29%5E2-5\"$
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\n" ); document.write( ".\r
\n" ); document.write( "\n" ); document.write( "Vertex : ( $\"-2\"$ , $\"-5\"$ )
\n" ); document.write( "Axis of symmetry : $\"x=-2\"$
\n" ); document.write( "Min. value : $\"y%5Bmin%5D=-5\"$
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