If \[f(x)=\sqrt{{{x}^{2}}-10x+25},\] then the derivative of f(x) on the interval \[[0,7]\] is

If \[f(x)=\sqrt{{{x}^{2}}-10x+25},\] then the derivative of f(x) on th

1.	If \[f(x)=\sqrt{{{x}^{2}}-10x+25},\] then the derivative of f(x) on the interval \[[0,7]\] is
A.	1
B.	-1
C.	0
D.	None of these
Answer» E.

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If \[f(x)=\sqrt{{{x}^{2}}-10x+25},\] then the derivative of f(x) on the interval \[[0,7]\] is

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