Question 9, 14.6.45 HW Score: 63.89%, Part 3 of 3 7.67 of 12 points Points: 0 of 1 Save Find the linearization L(x,y,z) of the function f(x.y,z) = ex + cos (y+z) at the given points. a. (0,0,0) b. (0,z,0) C. 0, 4 4 a. L(x,y,z) = 2+x (Type an exact answer.) b. L(x,y,z) = x (Type an exact answer.) C. L(X,y,z) = x+y+z+" 2 (Type an exact answer.)