Find The line integral ef f[x,y,z}= x + 3r + 2 ever the straightline segment from {5.2.1} to [4, 2: 2}. jix+y+zjds = Cl (Type an exact answer. using radicals as needed} Find the mass of a wire that lies along the curve r(t) = (t- - 1) j+ 2tk, Osts 2, if the density is 6 = NIW - 6(x,y,z)ds = C (Type an exact answer, using radicals as needed.)Find the mass of a thin wire lying along the curve r(t) = v5ti+ v2tj+ (1 -t ) k, 0sts1, if the density is (a) 6 = 3t and (b) 6 = 1. (a) The mass of a thin wire with density 6 = 3t is units. (Type an exact answer.)