Exam1F08 - MATH 105 FIRST UNIFORM EXAM October 6 2008 NAME...

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MATH 105 — FIRST UNIFORM EXAM October 6, 2008 NAME: ID NUMBER: INSTRUCTOR: SECTION NO: 1. Do not open this exam until you are told to begin. 2. This exam has 10 pages including this cover. There are 12 questions. 3. Do not separate the pages of the exam. If any pages do become separated, write your name on them and point them out to your instructor when you turn in the exam. 4. Please read the instructions for each individual exercise carefully. One of the skills being tested on this exam is your ability to interpret questions, so instructors will not answer questions about exam problems during the exam. 5. Show an appropriate amount of work for each exercise so that the graders can see not only the answer but also how you obtained it. Include units in your answers where appropriate. 6. You may use your calculator. 7. If you use graphs or tables to obtain an answer, be certain to provide an explanation and sketch of the graph to make clear how you arrived at your solution. 8. Please turn oﬀ all cell phones. PROBLEM POINTS SCORE 1 10 2 6 3 6 4 12 5 8 6 4 7 6 8 6 9 12 10 12 11 9 12 9 TOTAL 100 1

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No work or explanations necessary on this page. No partial credit. 1. (10 points) Circle “TRUE” or “FALSE” for each of the following problems. Circle “TRUE” only if the statement is always true. (a) If f ( x ) is an exponential equation deﬁned by f ( x ) = a (1 + r ) x , and a > 0 and r > 0, then f ( x ) is concave up. TRUE FALSE (b) If h ( p ) is deﬁned by h ( p ) = p 2 , then h ( np ) = np 2 . TRUE FALSE (c) The quadratic function q ( t ) = at 2 - 2 abt + ab 2 intersects the t-axis only once. TRUE
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Exam1F08 - MATH 105 FIRST UNIFORM EXAM October 6 2008 NAME...

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