MAT 145 : Quiz Solutions
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Do Not Turn This Page over until You Are Told to Do So
• You have 90 minutes to complete the quiz. • Write your solutions in the exam booklet. We will not consider any work not in the exam booklet. • This quiz has three problems that are in no particular order of difficulty. • You may give an answer in the form of an arithmetic expression (sums, products, ratios, factorials) of numbers that could be evaluated using a calculator. Expressions like ( ...
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Problems from Review of Set Theory Notes 3 (c) We prove that A× (B −C) = (A×B)− (A×C). We show that A× (B −C) ⊂ (A×B)−(A×C), and (A×B)−(A×C) ⊂ A×(B−C). For the first containment, let x ∈ A× (B − C). Then x = (a, b) where a ∈ A and b ∈ B − C. We certainly have x ∈ A × B, and since the second coordinate of x is not in C, we conclude that x / ∈ A× C. For the second containment, let x ∈ (A× B)− (A×...
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To improve phylogenetic resolution of the Colletotrichum gloeosporioides species complex we developed and tested the performance of a new set of primers for the Apn2/MAT locus with a case study of 22 isolates. These were isolated mainly from coffee plants and represent six divergent and well characterized species within the C. gloeosporioides complex. Following previous studies on this locus, w...
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In this paper, we describe the advances we have made in extending the quiz component of our VLE (Moodle) to support the drawing and automatic assessment of free-form diagrams. The paper illustrates how diagram-based questions are incorporated into normal Moodle quizzes and the nature of the feedback provided. It describes the types of diagrams that can be supported by the system (graph-based) a...
متن کاملEE 126 Fall 2007 Midterm #1 Thursday October 4, :30–5pm DO NOT TURN THIS PAGE OVER UNTIL YOU ARE TOLD TO DO SO
• You have 90 minutes to complete the quiz. • Write your solutions in the exam booklet. We will not consider any work not in the exam booklet. • This quiz has three problems that are in no particular order of difficulty. • You may give an answer in the form of an arithmetic expression (sums, products, ratios, factorials) of numbers that could be evaluated using a calculator. Expressions like ( ...
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