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If f(x)=x-2, x le 0 and 4-x^2,x > 0, th...

If `f(x)=x-2, x le 0 and 4-x^2,x > 0,` then discuss the continuity of `y=f(f(x)).`

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CENGAGE PUBLICATION-CONTINUITY AND DIFFERENTIABILITY-All Questions
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