Give exact answers, not approximation. Show all your work or you will not be awarded credit. Math 1508 Exit Exam – Part 2 of Module 3 – Time 2 –1230 - Fall 2008 MODULE 3 MATH 1508 EXIT EXAM FOR 12:30 TIME 2 – FALL 2008 You may pick up your exam in your regular classroom on November 3, 2008 in your Time 2 classroom during regular class time. Parts 1 and 2 are combined and graded as one exam. Please retain this sheet for your records. Name: ___________________________________________email:_________________ Student Number:_____________________________ Instructor: _____________________ Exit Exam Grade: ________________Wt.:____% (Must be > 60) Project Grade (if applicable):_______Wt.:_____% HW/Quiz Grade:_________________Wt.: _____% Module No. 3 Grade:________________ (Must be > 70) Optional Test Out Exams will be offered in the Library on November 2nd with start times from noon to 4:00 pm for those students who fail this module. You have one try at the Test Out. If you pass the module with your teacher and take the test out, your score will not be recorded. If you do not pass Module 3, report to your Time 3 classroom on November 4th, check the online roster to determine your module, your instructor, your classroom location, and your lab location. NOTE: If you do not complete Math 1508 before the spring 2009 semester begins, you must register, and pay, for Math 1508 for the spring 2009 semester or your In-Progress grade of P will be changed to F. Module 3 is offered during the Wintermester through PACE. You may register after Time 3. Everyone may take the Test Out Exams following Wintermester.Give exact answers, not approximation. Show all your work or you will not be awarded credit. Math 1508 Exit Exam – Part 2 of Module 3 – Time 2 –1230 - Fall 2008 (1) Let ( )35 8f xx= − and ( )22 7 8g x xx= − −. a) Find ( )1fx− b) Find ()()gfx. Simplify your answer.Give exact answers, not approximation. Show all your work or you will not be awarded credit. Math 1508 Exit Exam – Part 2 of Module 3 – Time 2 –1230 - Fall 2008 (2) Solve this system by the Gauss-Jordan reduction. Verify your answer. 3 2 172 3 72 3 5x y zx y zx y− + + =− + =− = −Give exact answers, not approximation. Show all your work or you will not be awarded credit. Math 1508 Exit Exam – Part 2 of Module 3 – Time 2 –1230 - Fall 2008 (3) The number y of endangered animal species in the United States from 1970 to 2003 can be modeled by ()89 152 ln2yt= − +, where 5t= represents year 1970. During which year did the number of endangered animal species reach 500? Round your answer to the nearest year.Give exact answers, not approximation. Show all your work or you will not be awarded credit. Math 1508 Exit Exam – Part 2 of Module 3 – Time 2 –1230 - Fall 2008 (4) Find the equation of the line that passes through the center of the circle ( )( )222536yx+ =−+ and the vertex of the parabola 22 4 5y x x= − + +. Write the answer in the form y mx b= +.Give exact answers, not approximation. Show all your work or you will not be awarded credit. Math 1508 Exit Exam – Part 2 of Module 3 – Time 2 –1230 - Fall 2008 (5) Write a formula for a possible rational function whose graph is shown below. -4 -3 -2 -1 1 2 3