Uc merced: math 21 exam #1 28 september 2007. On the front of your bluebook print (1) your name, (2) your student id number, (3) your discussion section number and instructor"s name (sprague or lei) and (4) a grading table. Show all work in your bluebook and box in your final answers where appropriate. A correct answer with no supporting work may receive no credit while an incorrect answer with some correct work may receive partial credit. Textbooks, class notes, calculators and crib sheets are not permitted. There are a total of ve problems on one side of this paper and a total of 50 points. Please start each of the ve problems on a new page. You have 50 minutes to complete the exam: (10 points total) answer the following always true (t) or false (f).