Question 847299
<pre><font face = "Tohoma" size = 3 color = "indigo"><b> 
Hi,
 f(x) =-2x^2 + 12  
 Parabola V(0,12)  Yes! Range is  (-infinity, 12]  Good Work

{{{drawing(300,300,   -20,20,-20,20, grid(1), 
circle(0, 12,0.2),
graph( 300, 300, -20,20,-20,20,0, -2x^2 + 12 ) )}}}