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Question 5 of 8 > > View Policies Current Attempt in Progress Find the domain of r(t) and the value of r(to). NOTE: Round your answer to two decimal places when needed. r(t) = cos(at)i – In(t)j + vt – 6k; to = 7 - Domain is: Choose one NOTE: Enter your answer in terms of i, j, and k. r(7) - Question 5 of 8 View Policies Current Attempt in Progress Find the domain of r(t) and the value of r(to). NOTE: Round your answer to two decimal places when needed. r(t) = cos(at)i In(t)j + vt 6k; to = 7 Domain is: Choose one NOTE: Enter Choose one (, ) ms of i, j, and k. [ ] ? r(7) ( > ] [, )

Question 6 of 8 < > View Policies Current Attempt in Progress Describe the graph of the equation. r = (5 – 3t) i – 7tj O It is a plane in 2-space that goes through the point (-3, 7) and parallel to the vector r = = 5 j. O It is a line in 2-space that goes through the point (5,0) and is parallel to the vector r = - 71 – 3 j. = O It is a line in 2-space that goes through the point (-3,7) and is parallel to the vector r = 5 i. O It is a line in 2-space that goes through the point (5,0) and is parallel to the vector r = -3i – 7 j. O It is a plane in 2-space that goes through the point (5,0) and is parallel to the vector r = -3i – 7j.