Find the domain of the vector functions, r(t), listed below. using interval notation. a) r(t) (In(20t), √t +3, = 1 14-t b) r(t) = ( √t – 2, sin(7t), t²) t c) r(t) = (e-²¹, - (e-²₁, √7² = 40181/3) - 49

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