Question: F'(x)=(2x)/[(sqrt(x^2))(x^2+1)] By using the expression for f' (c) and the result show that f is decreasing for < 0.

F'(x)=(2x)/[(sqrt(x^2))(x^2+1)]

By using the expression for f' (c) and the result show that

By using the expression for f' (c) and the result show that f is decreasing for < 0.

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