Mathematics

Mathematics

Problem

For

f(x)=\dfrac{x}{x^{2}+1}

, which of the following lists all

x

-values at which the graph of

f

has a point of inflection? a)

x=\pm1

only b)

x=0,\;\pm\sqrt{3}

c)

x=\pm\sqrt{3}

only d) The graph of

f

has no points of inflection.

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