X xwrathbringerx Guest Sep 5, 2009 #1 Why is the restriction is x<0? I thought it was -4<x<4.<!-- google_ad_section_end -->
ninetypercent ninety ninety ninety Joined May 23, 2009 Messages 2,148 Location Sydney Gender Female HSC 2010 Sep 5, 2009 #2 coz negative x will give greatest height
