Which of the following subsets of G CC are (i) open, (ii) connected, (iii) a domain? (a) G = {z € C; |z| < 2} \ {z € C; Rez = 0}, (b) G = {z € C; |2| < 2} n{z € C; Re z > 0}, (c) G = {z € C; |2| < 2} U {z € C; Re z > 0}, (d) G = {z € C; |2| < 2} \ {z € C; Re z = 0}. %3D

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Q: limit points?

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Q: Which equation matches the graph of the piecewise function f(x) below?

A: Given,

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A: That's easy, have a look.  Have a great day!!!

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A: The graph is shown below:

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Sequence and Series

A sequence is defined as a collection of things. Series is defined to sum the things one by one in the sequence.  It was invented by German mathematician Carl Friedrich Gauss.