SelfAssessment1

# SelfAssessment1 - Self-Assessment 1 Math 104A, Winter 2009...

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Self-Assessment 1 – Math 104A, Winter 2009 Answer the following questions without looking in the book. If you do not feel comfortable answering them, read the corresponding sections in the book, and then solve the problems, again without looking in the book. 1. A function f : [ a, b ] R is said to satisfy a Lipschitz condition with Lipschitz constant L on [ a, b ] if, for every x, y [ a, b ], we have | f ( x ) - f ( y ) | ≤ L | x - y | . (a) Show that if f satisﬁes a Lipschitz condition with Lipschitz con- stant L on [ a, b ], then f is continuous on [ a, b ]. (b) Show that if f has a derivative that is bounded on [ a, b ] by L , then f satisﬁes a Lipschitz condition with Lipschitz constant L on [ a, b ]. (c) Give an example of a function that is continuous on a closed in- terval but does not satisfy a Lipschitz condition on the interval. 2. Let f C ([ a, b ]), and consider p ( a, b ). (a) Suppose

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## This note was uploaded on 12/26/2011 for the course MATH 104a taught by Professor Staff during the Fall '08 term at UCSB.

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SelfAssessment1 - Self-Assessment 1 Math 104A, Winter 2009...

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