On what interval(s) are the following functions continuous? a) f(x)=sqr(x-2) b) f(x)=x^2-2x+1 c) f(x)=x/x^2-1

College Algebra
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Chapter4: Exponential And Logarithmic Functions
Section: Chapter Questions
Problem 3CC: If xis large, which function grows faster, f(x)=2x or g(x)=x2?
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On what interval(s) are the following functions continuous?

a) f(x)=sqr(x-2)
b) f(x)=x^2-2x+1
c) f(x)=x/x^2-1

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