Question 438836
  <pre><font face = "Tohoma" size = 4 color = "indigo"><b> 
Hi
     {{{(y)^2/16 -  (x)^2/4 = 1}}} C(0,0) Vertices: (0,4) and (0,-4)
     Asmyptotes: y =  2x and y = -2x
     Domain:*[tex \large \ \ x\ \in\ \mathbb{R}] and Range: {y  &#8804; -4 , y &#8805; 4} 
{{{drawing(300,300,-10,10,-10,10,  grid(1),
graph(300,300,-10,10,-10,10,0,2x,-2x,4sqrt(1+ (1/4)(x)^2),-4sqrt(1+ (1/4)(x)^2)))}}}