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Mathematics 15 Online
OpenStudy (anonymous):

hi everybody i have question on increasing and decreasing function f(x)=x^1/2 it increasing on [0,&) why 0 is including and x^3-3x^2+1 it increasing on (-&,0].[2,&) why here also including since -x2 - 2x + 15 decreasing on (-1, +∞) and 1 is not including

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