Section 14.6: Problem 7 Previous Problem Problem List Next Problem (1 point) Let f(x, y, z) = 8x2 + xy + yz + 922. Find the linearization L(x, y, z) of f(x, y, z) at the point (3, -1, -1) . L(x, y, z ) = Find an upper bound for the magnitude | E of the error in the approximation f (x, y, z) ~ L(x, y, z) over the box lac - 3|