231samplefinalexam

# 231samplefinalexam - NAME MA 23100 Sample Final Exam PUID...

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NAME: MA 23100 Sample Final Exam PUID: INSTRUCTIONS There are 25 problems on 14 pages. Record all your answers on the answer sheet provided. The answer sheet is the only thing that will be graded. No books or notes are allowed. You may use a one-line scientiﬁc calculator. No other electronic device is allowed. Be sure to turn oﬀ your cellphone. Show all your work on the exam. If you need more space, use the backs of the pages. 1

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MA 23100 - Sample Final Exam 1. Find the slope of the line passing through the points ( - 3 , 7) and (4 , - 3) A. - 10 7 B. - 7 10 C. 7 10 D. 10 7 E. 7 4 2. Which of the following best describes the domain of the function f ( x ) = x + 4 x 2 - 3 x - 10 ? A. All real numbers except x = - 4. B. All real numbers except x = 2 and x = - 5. C. All real numbers except x = - 2 and x = 5. D. All real numbers except x = 2, x = - 5 and x = - 4. E. All real numbers except x = - 2, x = 5 and x = - 4. 2
3. Solve for x . Give your answer as a decimal number rounded to at least 3 decimal places. (Note that the angle is given in radians.) A. 7.224 B. 16.649 C. 31.148 D. 33.423 E. 34.571 4. What is the period of the function p ( x ) = 14 cos(6 t ) - 9? A.

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## This note was uploaded on 01/19/2012 for the course MA 23100 taught by Professor Josephchen during the Fall '11 term at Purdue.

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231samplefinalexam - NAME MA 23100 Sample Final Exam PUID...

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