Question: (d)f(x)=x2-1x-1atx=1(i) The function is continuous atx=a(ii) The function is discontinuous atx=a since f(a) DNE.(iii) The function is discontinuous atx=a since limxaf(x) DNE.(iv) The function is

(d)f(x)=x2-1x-1atx=1(i) The function is continuous atx=a(ii) The function is discontinuous atx=a since f(a) DNE.(iii) The function is discontinuous atx=a since limxaf(x) DNE.(iv) The function is discontinuous atx=a since both f(a) and limxaf(x) exist, but limxaf(x)f(a).

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