Key to Quiz 1. Total of 6 points (2 each) Problem 1a on the quiz is problem 2.19 c in the text (solution posted). Problem 1b on the quiz is problem 2.19 e in the text (solution posted). Problem 2 on the quiz is problem 2.37 c in the text (solution posted). I was a lot more lenient with showing work than I will be on an exam. Problem 3 on the quiz is problem 2.52 b in the text (solution posted) I was a lot more lenient with showing work than I will be on an exam.