NAME MATH 103 Gateway Exam Practice 3 30 October 2008 100 points Instructions 1 This exam has 4 pages including this one which contain 10 questions Please check that you have all of the pages 2 When an answer box is given write your answer in the box Nothing outside the answer box will be graded 3 Do your work on scratch paper not on this exam 4 You may not use a book notes a calculator or anything except a writing instrument an eraser and scratch paper for this exam 5 There will be no partial credit given You must get 8 out of 10 questions completely correct in order to pass this exam A passing score on this exam will give you 100 points toward your grade for this course 6 You have 50 minutes to complete this exam Question 1 Select all intervals for which 3 10x 7 is true 1 2 5 1 2 5 1 1 2 5 Question 2 If cos 1 2 and 0 2 what is in radians ANSWER Page 1 Question 3 Which of the following graphs best represents y 3 cos a b c d 2 3 x Question 4 Match the following graphs with their formulas 1 ln x 3 2 2 x 1 2 4 3 10x 3 4 x 2 4 Question 5 Find the equation for the secant line of y 3x2 from 1 3 to 1 3 ANSWER Page 2 Question 6 Given the graph of y f x below select the graph of y f x 2 5 a b c d e None of the others Question 7 What are cos sin and csc ANSWER Question 8 Find the solution s to the equation log 5 4y log 3 y log 3 ANSWER Page 3 Question 9 Solve the equation H a H kA t2 t1 b 1 H kA t2 t1 kA t2 t1 for L1 L1 c None of the others c kA t2 t1 H d HkA t2 t1 Question 10 Given the graph of y f x below select all intervals on which the function is decreasing 4 2 2 4 0 5 5 0 Page 4
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