Question: Evaluate the vector-valued function at each given value of t. (If you need to use At, enter Deltat.) r(t) = - (t-7)j (a) r(7)=

Evaluate the vector-valued function at each given value of t. (If you

Evaluate the vector-valued function at each given value of t. (If you need to use At, enter Deltat.) r(t) = - (t-7)j (a) r(7)= (b) r(0) = (c) r(s+7)= (d) r(2+ At)r(2)

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