Question 1127391
Yes, but the equation should be:
{{{ -x^2 + 6x + 1 }}}
in order for the peak to be a maximum
and for {{{ x }}} to be positive when {{{ P(x) }}}
is a maximum
{{{ graph( 400, 400, -10, 10, -10, 10, -x^2 + 6x + 1 ) }}}