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Question 2 Use L'Hopital's rule to determine whether the limit exists (4 marks) Not yet answered 4 cos (3x) - 3x4 - 4 Marked out of lim x-0 sin(7x) - x2 - 7x 4.00 Flag question 7 A v B E U S X2 X2 E E IQuestion 4 Not yet Use improper integration to determine answered whether the integral is convergent or Marked out of 4.00 divergent. Flag question (4 marks) 4x3 (6x4+ 2)4 dx O 1 A 6 B I X U S X2 Xz E