Posted by matrix school 2 on Friday, August 14, 2009 at 4:21pm.
when q = 3, p = (2*9-5)^2 =169 dp/dq = 2 (2q^2-5)(4q) when q = 3, dp/dq = 312 dq = .007*3 = .021 so dp = 312*.021 = 6.552 100 * dp/p = 100 *6.552/169 = 3.88 %