MATH 151 Midterm: MATH 151 TAMU Y2011 2011a Exam 3b
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Directions: the use of a calculator, laptop, or computer is prohibited, in part 1 (problems 1-12), mark the correct choice on your scantron using a no. For your own records, also record your choices on your exam: in part 2 (problems 13-17), present your solutions in the space provided. Show all your work neatly and concisely and clearly indicate your nal answer. "an aggie does not lie, cheat, or steal, or tolerate those who do. " 100: find the limit: lim x 0 ex cos x 2x x2 2x (a) limit does not exist. 8(cid:19): find the value of log4(cid:18) 1 (a) 2. 3: a bacteria culture starts with 200 bacteria and triples in size every half hour. Assuming expo- nential growth, how many bacteria are there after 45 minutes (ignore any appropriate rounding)? (a) 750 (b) 600 3 (c) 400 2.
