ECON 330 Midterm: ECON 330 UW Madison 1 MidtermFall2000
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Closed book, closed notes, no calculators/pdas; no reference materials of any kind. Turn o all handheld devices, including cell phones. Show work; a correct answer, by itself, may be insu cient for credit. Arithmetic need not be simpli ed, unless the problem requests it: multiple choice, (5 pts) (no partial credit) let f (t) = cot2 t. compute f ( /4). (hint: f (t) = (cot t)(cot t). ) Circle one of the following answers: (a) 1 (b) 2/2 (c) 4 (d) 1 (e) none of the above: (5 pts) (no partial credit) compute [d/dx][2e3 + 5 sin x]. Circle one of the following an- (a) (b) (c) (d) (x4 8x)(ex) (ex)(4x3 8) X4 8x (x4 8x)(ex) (ex)(4x3 8) x4 8x ex. 4x3 8 (e) none of the above: (5 pts) (no partial credit) compute (x3 x2). Circle one of the following answers: x 5(cid:21).
