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This question has several parts that must be completed sequentially. If you skip a part of the question, you will not receive any points for theskipped part, and you will not be able to come back to the skipped part.Tutorial ExerciseEvaluate the limit, if it exists. (If an answer does not exist, enter DNE.)
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2lim
3
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6
12/14/16, 4(15 PMhw04S2.3Page 3 of 85.3/3 points | Previous AnswersSCalcET7 2.3.020.Evaluate the limit, if it exists. (If an answer does not exist, enter DNE.).8/3 8/3Solution or ExplanationClick to View Solution6.3/3 points | Previous AnswersSCalcET7 2.3.029.Evaluate the limit, if it exists. (If an answer does not exist, enter DNE.)
Solution or Explanation
7.5/5 points | Previous AnswersSCalcET7 2.3.047.The signum(or sign) function, denoted by sgn, is defined by(a) Sketch the graph of this function.

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