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F(x) = sin(x^2 - 2)
find points of discontinuity, if any ...?

1 Answer

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Function sin(x) is defined for all real numbers.
Function x^2-2 is a parabola which is defined for all real numbers.

Therefore, function f(x) = sin(x^2 - 2) has no points of discontinuity.
User Samuel Tardieu
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