Math 1A - Fall 1995 - Ribet - Midterm 2

Math 1A - Fall 1995 - Ribet - Midterm 2 - FRI 11:37 FAX...

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Unformatted text preview: 09/22/2000 FRI 11:37 FAX 6434330 MOFFITT LIBRARY .001 Math H1A Fall, 1995 Professor K. A. Ribet Midterm Exam—November 2, 1995 This is an “open book” exam. You may consult your notes and textbook. Grading is based on completeness, claritjg and accuracy. Please write in complete English sentences and explain your reasoning carefully. 5691 _ 2691 . t ‘ . . 1 (4 porn 3) Evaluate Ill—’11; —-—-—b _ 2 expressing the limit as a derivative. by using rules of differentiation, first 2 {6 points) Let c be a real number. Use Rolle’s Theorem to show that the equation 3:5 — 6:1: + c = 0 has at most one solution in the interval [—1, 1]. 3 ( 6 points). Using techniques of differentiation, find the equation of the line tangent to y :; \3/ 932 —— 1 at the point (—3,2). 4 f 6 points). Use l’Hopital’s Rule to evaluate gin}; figJ—l. 5 ( 8 points ) Let S be a non—empty bounded set of real numbers. Suppose that neither a := inf 3 nor b := sup 5' is in S. (i) For each a: E (05,17), Show that there are numbers 73 and u in S which satisfya<t<mandzv<u<b. (ii) Assume now that S has the following property: if S contains two num— bers t and u, then S contains all numbers between t and u. Prove that 5' = (a, b). ...
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