1. Let X be the graph of f(x) = x2/3 given below

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter9: Systems Of Equations And Inequalities
Section: Chapter Questions
Problem 12T
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1. Let X be the graph of f(x) = x2/3 given below
%3D
that is, X is the subset of R x R satisfying the given equation.
Declare that a subset A of X is basic if
A = XN B,((x, y))
for some open ball B((x, y)) = {(a, b) e R × R| V(r – a)² + (y – b)² < c}.
Let Aj and A, be basic subsets of X.
%3D
i. Is A, U A2 a basic subset of X?
ii. Is A N A2 a basic subset of X?
Transcribed Image Text:1. Let X be the graph of f(x) = x2/3 given below %3D that is, X is the subset of R x R satisfying the given equation. Declare that a subset A of X is basic if A = XN B,((x, y)) for some open ball B((x, y)) = {(a, b) e R × R| V(r – a)² + (y – b)² < c}. Let Aj and A, be basic subsets of X. %3D i. Is A, U A2 a basic subset of X? ii. Is A N A2 a basic subset of X?
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