exam cal 1.pdf - Your Name MAC 2311 Exam I Practice Dr Ciprian Gal Spring 2012 Instructions Answer all questions and show all of your work Answers which

exam cal 1.pdf - Your Name MAC 2311 Exam I Practice Dr...

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Your Name : MAC 2311 Exam I Practice Dr. Ciprian Gal Spring 2012 ° Instructions : Answer all questions and show all of your work. Answers which are not justi°ed with appropriate work will receive 0 points. The test contains 5 problems. ° Remark: The actual exam may contain similar problems and questions that do not appear here. However, this practice should give you an idea of the level of di¢ culty that one should expect from 50-minute exam. 1. Find the following limits:x3+x2°5x+3x3°3x+2 (a) lim x ! 1 (b) lim x ! 2 ° x x 2 ° 4 (c) lim x ! 3 + 5 j x ° 3 j ( x 2 ° 2)
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2. Letf(x) =8<:x±2ifx <0x2±3x±2if0²x <2x2x+1ifx³2: Find:
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