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       -Choice 5 by '''4.3.10 Definition'''
 
       -Choice 5 by '''4.3.10 Definition'''
 
1.d.  Let <math>A \subset \Re</math>, let <math>f: A \mapsto \Re</math>, and let <math>c \in A</math>.  We say that f is continuous at c if
 
1.d.  Let <math>A \subset \Re</math>, let <math>f: A \mapsto \Re</math>, and let <math>c \in A</math>.  We say that f is continuous at c if
       -Choice 4 by '''5.5.1 Definition'''.
+
       -Choice 4 by '''5.5.1 Definition'''
  
  
 
'''PROBLEM 2'''
 
'''PROBLEM 2'''

Revision as of 20:04, 14 April 2010

Use this page to submit solutions for the test 2. Extra credit will be given to those who will submit solutions, notice and help correct mistakes in the solutions submitted by other students, develop alternative solutions, participate actively in the discussion.

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PROBLEM 1

1.a. A sequence ($ x_n $) is said to be a Cauchy sequence if

     -Choice 2 by 3.5.1 Definition

1.b. The statement of the Bolzano-Weierstrass theorem is:

     -Choice 3 by 3.4.8 Theorem

1.c. Let $ f: A \mapsto \Re $. Suppose that $ (a,\infty) \subset A $ for some $ a \in \Re $. We say the limit of f as $ x \rightarrow \infty $ and write $ \lim_{x\to\infty}f = L $

     -Choice 5 by 4.3.10 Definition

1.d. Let $ A \subset \Re $, let $ f: A \mapsto \Re $, and let $ c \in A $. We say that f is continuous at c if

     -Choice 4 by 5.5.1 Definition


PROBLEM 2

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Ph.D. 2007, working on developing cool imaging technologies for digital cameras, camera phones, and video surveillance cameras.

Buyue Zhang