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Find the range of the function $f (x) = x + \sqrt{x^{2}}$

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Correct option is A

f(x)=x+x2=x+|x|=x+x,x≥0x−x,x<0 =2x,x≥00,x<0⇒ f(x) takes values [0,∞)

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Find the range of the function f(x)=x+x2

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Find the range of the function $f (x) = x + \sqrt{x^{2}}$