(Sequential Criterion for Continuity) Let (S₁, d₁) and (S2, d2) be metric spaces, and f: S₁ S₂ be a function. Show that f is continuous at the point c E S₁ if and only if for every sequence (xn) in S₁ that converges to c, the sequence f(xn) converges to f(c). (Please use the correct definitions to prove this theorem.)

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section5.1: Inverse Functions
Problem 62E
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(Sequential Criterion for Continuity) Let (S₁, d₁) and (S2, d2) be metric spaces, and
f: S₁ S₂ be a function. Show that f is continuous at the point c E S₁ if and only
if for every sequence (xn) in S₁ that converges to c, the sequence f(xn) converges to
f(c). (Please use the correct definitions to prove this theorem.)
Transcribed Image Text:(Sequential Criterion for Continuity) Let (S₁, d₁) and (S2, d2) be metric spaces, and f: S₁ S₂ be a function. Show that f is continuous at the point c E S₁ if and only if for every sequence (xn) in S₁ that converges to c, the sequence f(xn) converges to f(c). (Please use the correct definitions to prove this theorem.)
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