Math121SampleQuiz1

# Math121SampleQuiz1 - Math 121 Name QUIZ#1(SAMPLE QUESTIONS...

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Math 121 Name: ________________________ QUIZ #1 (SAMPLE QUESTIONS) 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. PART 1 (NO CALCULATORS!) 1) Find the following limits without making a table. Write or -• when appropriate. If a limit does not exist, and and are inappropriate, write “DNE”. Box in your final answers. (13 points total) a) lim x x x Æ- + 2 1 (2 points) b) lim x xx x Æ -+ - 3 2 81 5 3 (5 points)

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For problems c) through e), refer to the graph of f below. Answer only is fine. c) lim x fx Æ + () 4 (1 point) d) lim x Æ - 4 (1 point) e) lim x Æ 4 (1 point) For problems f) through h), refer to the graph of f below. Answer only is fine. f) lim x Æ - 2 (1 point) g) lim x Æ 2 (1 point) h) lim x Æ 4 (1 point)
2) Let fx x xx () = + - 32 16 3 . Give all x -values where f is discontinuous. (5 points) 3) A function f is continuous at c if and only if the following three conditions hold: Condition 1) fc is defined. Condition 2) lim xc Æ exists. Condition 3) lim fx f c Æ () () = . In the graphs below,

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Math121SampleQuiz1 - Math 121 Name QUIZ#1(SAMPLE QUESTIONS...

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