Prove that the function sin(x?) is not uniformly continuous on [0, ). However, it is uniformly continuous on (0, a), where a > 0 is any fixed real number. Suppose f:[0,2n] → R is continuous and f(0) = f(2n). Prove that there exists at least one point c E [0, x] such that f(c) = f(c+x).

Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter5: Rings, Integral Domains, And Fields
Section5.4: Ordered Integral Domains
Problem 8E: If x and y are elements of an ordered integral domain D, prove the following inequalities. a....
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4. Prove that the function sin(x²) is not uniformly continuous on [0,0). However, it is
uniformly continuous on [0, a], where a > 0 is any fixed real number.
Suppose f:[0, 2n] → R is continuous and f(0) = f(2n). Prove that there exists at
least one point cE [0, 7] such that f(c) = f(c+n).
Transcribed Image Text:4. Prove that the function sin(x²) is not uniformly continuous on [0,0). However, it is uniformly continuous on [0, a], where a > 0 is any fixed real number. Suppose f:[0, 2n] → R is continuous and f(0) = f(2n). Prove that there exists at least one point cE [0, 7] such that f(c) = f(c+n).
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