(8 points) Consider the vector field F (2, y, z) = (2+y)i + (32+2)j + (3y+z)k. a) Find a function f such that F= Vf and f(0,0,0) = 0. f(2, y, z) = b) Suppose C is any curve from (0,0,0) to (1,1,1). Us