Question 1024548
Opening : Downwards, because {{{-(1/2)<0}}}
Axis of symmetry : {{{x=2}}}
Maximum : {{{y[max]=4}}}
Range : ({{{-infinity}}},{{{4}}}]
Y-intercept : {{{y=-(1/2)(-2)^2+4=-2+4=2}}}
Domain : ({{{-infinity}}},{{{infinity}}})