|Dror Bar-Natan: Classes: 2002-03: Math 157 - Analysis I:||(68)||
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Solve the following 5 problems. Each is worth 20 points although they may have unequal difficulty. Write your answers in the space below the problems and on the front sides of the extra pages; use the back of the pages for scratch paper. Only work appearing on the front side of pages will be graded. Write your name and student number on each page. If you need more paper please ask the tutors. You have an hour and 50 minutes.
Allowed Material: Any calculating device that is not capable of displaying text.
Problem 3. Sketch, to the best of your understanding, the graph of the function
Problem 4. Write the definition of and give examples to show that the following definitions of do not agree with the standard one:
Problem 5. Suppose that is continuous at 0 and and that for all . Show that is continuous at 0.
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