MATH 121 Midterm: MATH 121 Drexel Math121 Make Up Exam Solutions
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Directions: for the free response section, you must show all work. Answers without proper justi - cation will not receive full credit. Partial credit will be awarded for signi cant progress towards the correct answer. Cross o any work that you do not want graded: you have 50 minutes to complete this exam. Immediately: you may not use any electronic devices including (but not limited to) calculators, cell phones, or ipods. Problem 1 problem 2 problem 3 problem 4 multiple choice. Reminder: for each of the following problems, you must show all of your work to earn full credit: (13 points) the trough pictured below is 15 feet long and 4 feet wide at the top. The ends of the trough are isosceles triangles with a height of 3 feet. Recall: the volume of such a trough is v =
