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Math121Quiz3

# Math121Quiz3 - Math 121 Name QUIZ#3(SECTIONS 3.1 3.2 3.3...

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Math 121 Name: ________________________ QUIZ #3 (SECTIONS 3.1, 3.2, 3.3, 3.6) MATH 121 – FALL 2003 – KUNIYUKI 105 POINTS TOTAL, BUT 100 POINTS = 100% Show all work, simplify as appropriate, and use “good form and procedure” (as in class). Box in your final answers; write units where appropriate! No notes or books allowed. A scientific calculator is allowed. 1) Sketch the graph of fx x x () =- + 43 . You must: • Find and label all points at critical numbers and inflection points (if any). • Classify all points at critical numbers as relative maximum points, relative minimum points, or neither. • Find the y -intercept. • Have your graph correctly show where f is increasing / decreasing, and where f is concave up / concave down. • Show all steps, as we have done in class. (30 points) YOU MAY USE THE BACK OF THIS SHEET!

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1 cont.) YOU MAY USE THE NEXT SHEET!
2) Find all critical numbers of fx xx () = + 1 6 2 . Remember to clearly box in your answer(s). (6 points) 3) True or False: If ¢¢ = f 60 , then the graph of f must have an inflection point at x = 6 . Circle one: (2 points) True False 4)

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Math121Quiz3 - Math 121 Name QUIZ#3(SECTIONS 3.1 3.2 3.3...

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