(1 point) Find the line integral with respect to an: length f [73 i 3y}ds, where C is the line segment in the mgrplane with endpoints P = {4, 0} and Q = [[1, 8]. G (a) Find a vector parametric equation t} for the line segment 0' so that points P and Q oon'espond to t = O and t = 1, respectiveiy. F\") = C] (b) Using the parametrization in part (a), the line integral with respect to arc length is {72 +3y)d3= [Dee with limits of integration :1 = C] and b = ([1) Evaluate the line integral with respect to arc iength in part {b}. [one + 3mg = E]