MATH 103 Midterm: MATH 103 UPenn 103Fall 12ans Exam
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Exam 2 practice problems (from previous midterm exams) 2 (cid:8) (cid:10) (cid:10) (cid:12: find the absolute minimum value of f x x ln 2 x. 2 e (cid:2) (cid:4) (cid:6) on the interval (cid:1) (cid:3) (cid:5: 0. 3 ee : 3e, -4 e) 0, -3, 1, -2 g) 2, -1 h) 3, 0, 1 . 2: find the local minimum value of the function f x. 2 d) 2 e) 3 f) 4 g) 1 h) none of these: a hot air balloon rising straight up from a level field is tracked by a range finder that is 600 ft. from the liftoff point. At the moment the range finder"s angle of elevation is /6, the angle is increasing at a rate of 0. 20 rad/min. How fast is the balloon rising at that moment: 120 ft. /s, 125 ft. /s, 140 ft. /s, 144 ft. /s, 150 ft. /s, 160 ft. /s, 180 ft. /s, 200 ft. /s.
