Math 116 — First MidtermFebruary 6, 2012Name:EXAM SOLUTIONSInstructor:Section:1.Do not open this exam until you are told to do so.2.This exam has 10 pages including this cover. There are 9 problems. Note that the problemsare not of equal difficulty, so you may want to skip over and return to a problem on whichyou are stuck.3.Do not separate the pages of this exam. If they do become separated, write your name onevery page and point this out to your instructor when you hand in the exam.4.Please read the instructions for each individual problem carefully. One of the skills beingtested on this exam is your ability to interpret mathematical questions, so instructors willnot answer questions about exam problems during the exam.5.Show an appropriate amount of work (including appropriate explanation) for each problem,so that graders can see not only your answer but how you obtained it. Include units in youranswer where that is appropriate.6.You may use any calculator except a TI-92 (or other calculator with a full alphanumerickeypad). However, you must show work for any calculation which we have learned how todo in this course. You are also allowed two sides of a 300×500note card.7.If you use graphs or tables to find an answer, be sure to include an explanation and sketchof the graph, and to write out the entries of the table that you use.8.Turn off all cell phones and pagers, and remove all headphones.ProblemPointsScore11221431241051261178810911Total100

Math 116 / Exam 1 (February 6, 2012)page 21. [12 points]Indicate if each of the following is true or false by circling the correct answer. Nojustification is required.a. [2 points]IfR203f(x) + 1dx= 8, thenR20f(x)dx= 2.

b. [2 points]IfRbaf(x)dx= 2 andRbag(x)dx=-3 thenRbaf(x)g(x)dx=-6.