Where is r(t) = (t - 4t)i + (-2t)j +8k smooth? Explain your answer. rt-(t2-1/t2-4)i+6j+arctan(t)k Given:...

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Where is r(t) = (t² - 4t)i + (-2t)j +8k smooth? Explain your answer. rt-(t2-1/t2-4)i+6j+arctan(t)k Given: 1. Find the domain. 2. limt →∞ r(t)= 3. Given: rt=2t^5i+ln(t)j+e^(3t)k, r't= 4. Where is rt-(t^2-4t)i+((t^2/2)-2t)j+8k smooth? Explain your answer. Where is r(t) = (t² - 4t)i + (-2t)j +8k smooth? Explain your answer. rt-(t2-1/t2-4)i+6j+arctan(t)k Given: 1. Find the domain. 2. limt →∞ r(t)= 3. Given: rt=2t^5i+ln(t)j+e^(3t)k, r't= 4. Where is rt-(t^2-4t)i+((t^2/2)-2t)j+8k smooth? Explain your answer.

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