Graph the function AND identify it's key characterisics.
f(x)=-\frac{1}{2}\sqrt{x}-3
Domain: {x|x _______ } - use >= for 'greater than and equal to'
End Behaviour: As x\rightarrow_______ , f(x)\rightarrow_______ use the word 'infinity'
As x\rightarrow_______, f(x)\rightarrow_______
Increasing Interval: _______
Decreasing Interval: _______