The function \( f(x)=\frac{4-x^{2}}{4 x-x^{3}} \) is (A) discontinuous at only one point. (B) di...

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The function \( f(x)=\frac{4-x^{2}}{4 x-x^{3}} \) is
(A) discontinuous at only one point.
(B) discontinuous exactly at two points.
(C) discontinuous exactly at three points.
(D) None of these
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