2x +7, a <7 From the following results, determine whether the function f(x) 14, x = 7 is continuous at a = 7. Justify the %3D -x + 28 x > 7 conclusion. (i) f(7)= 14 (ii) lim f(x)= 21 (iii) lim f(x)-21 (iv) Justification Answer=

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