231sampleexam1 - MA 23100 NAME: PUID: Exam 1 INSTRUCTIONS...

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MA 23100 NAME: Exam 1 PUID: INSTRUCTIONS 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 in the space provided. Little or no credit may be given for an answer with insufficient or inconsistent work, even if the answer happens to be correct. Write answers in the boxes provided. All answers are expected to be simplified ( 2 4 1 2 , 2 x + x 3 x , e ln 2 2, etc). Question Possible Score 1 6 2 7 3 7 4 6 5 12 6 30 7 8 8 12 9 12 Total 100 1
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1.) (6 pts) Solve for x : 2 x 2 = 4 - 3 x x = 2.) (7 pts) Give the domain of the function f ( x ) = x 2 + x + 1 4 - x . 2
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3.) (7 pts) Give all real solutions to the equation cos 7 t = - 1 . t = 4.) (6 pts) 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.) x 3
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5.) (12 pts) Consider the graph of the function f ( x ) given below. Answer the
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This note was uploaded on 01/21/2012 for the course MA 23100 taught by Professor Josephchen during the Spring '11 term at Purdue University-West Lafayette.

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231sampleexam1 - MA 23100 NAME: PUID: Exam 1 INSTRUCTIONS...

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