I. Foundations/Comprehension (No technology, show ALL work!!) 1. If W = evand U = Ln(7x + 1ly), then according to the Chain Rule for partial derivatives, Wx = _and Wy =_ (2 points) 2. Compute the exact length of the curve generated by the vector function r*(t) = (2tvt, cos(t), sin(t)) for 0