Achievement Excellence Merit (r) Question Evidence (u) (t) TWO = 2e = - = let u = ex + 1 du = exdx = Correct manipulations of = ln(u) + c needed to = ln( ex + 1) + c integrate = r Correct solution = t Evidence Achievement (u) Merit (r) Excellence (t) Question THREE Apply integration Apply integration Apply integration methods in solving methods, using methods, using problems. relational thinking, in extended abstract solving problems. thinking, in solving problems. = dx Correct integration. 3a not essential x = x3 + 4x + 8lnx + c 3 3b = = Correct integration. =
Question TWO Evidence Achievement (u) Merit (r) Excellence (t) 2e = = = let u = ex + 1 du = exdx = = ln(u) + c = ln( ex + 1) + c - Correct manipulations of needed to integrate = r Correct solution = t Question THREE Evidence Achievement (u) Merit (r) Excellence (t) Apply integration methods in solving problems. Apply integration methods, using relational thinking, in solving problems. Apply integration methods, using extended abstract thinking, in solving problems. 3a = dx = x3 + 4x + 8lnx + c 3 Correct integration. x not essential 3b = = = Correct integration.
4b_practice_examination__number_4_schedule.docx