Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN: 9780470458365
Author: Erwin Kreyszig
Publisher: Wiley, John & Sons, Incorporated
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Why is f not a function from R to R if

b) f(x) = VT ? f(x) is not a function because when x is undefined < 0 f0) < 0 is undefined Vo is defined f(x) = 0.1 is true >0 is false f(0) Reset
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Transcribed Image Text:b) f(x) = VT ? f(x) is not a function because when x is undefined < 0 f0) < 0 is undefined Vo is defined f(x) = 0.1 is true >0 is false f(0) Reset
c) f(x) = ± Vx² + 1? f(x) is not a function because when x f( f(-5) is defined is positive f(x) has two distinct = +V-24 is undefined is a real number values = 5 is negative Reset
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Transcribed Image Text:c) f(x) = ± Vx² + 1? f(x) is not a function because when x f( f(-5) is defined is positive f(x) has two distinct = +V-24 is undefined is a real number values = 5 is negative Reset
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