Please answer with work

(1 point) Use the contour diagram of f to decide if the specified directional derivative is positive, negative, or approximately zero Negative v 1. At the point (-2, 2) in the direction of i 2.4 12.0 12.0 10.0 O'OT 16 Zero 2. At the point (-1, 1) in the direction of (-i - 3)/ V2. Zero V 3. At the point (1, 0) in the direction of - j, 0.8 Zero 4. At the point ( 1, 1) in the direction of (-i + 3)/ v2. Positive 5. At the point (0, 2) in the direction of j, 16 Positive * 6. At the point (0, -2) in the direction of (i - 23) / V/5. 8.0 -74 10.0 12.0 -1.6 0.8 16 (Click graph to enlarge)