U Utility Member Joined May 14, 2012 Messages 36 Gender Undisclosed HSC N/A Jun 9, 2012 #1 Given the point (2, -8) is a turning point of the curve y = f(x), f''(x) = 12x + 18.
qwerty44 Member Joined Oct 12, 2011 Messages 557 Gender Male HSC 2013 Jun 9, 2012 #2 give me a sec to write solution
pokka d'ohnuts Joined Nov 4, 2011 Messages 312 Gender Female HSC 2011 Jun 9, 2012 #3 Last edited: Jun 9, 2012
qwerty44 Member Joined Oct 12, 2011 Messages 557 Gender Male HSC 2013 Jun 9, 2012 #4 EDIT: Once again, im too slow. Last edited: Jun 9, 2012