3. For what value(s) of x is the function f(x)=x2-27 discontinuous? What kind of discontinuity is each point? 4. Determine if the function is discontinuous. What type of discontinuity is it? (3-xif x < 2 (a) f(x) = x²-2x-3 x-3 5 if x # 3 if x = 3 (b) f(x) = 2 if x = 2 if x > 2

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