Use the contour diagram of f to decide if the specifieddirectional derivative is positive, negative, or approximately zero.2.41.61. At the point (-1,1) in the direction of0.8of(-i +3)/v2,-0.8v 2. At the point (0, –2) in the direction of-1.64.012.0-2.4(i – 2j)//5,-2.4-1.6-0.80.81.62.4(Click graph to enlarge)?3. At the point (-2, 2) in the direction of i,4. At the point (-1,1) in the direction of|(-i - 5)/v2,5. At the point (0, 2) in the direction of j,6. At the point (1,0) in the direction of - j,12.010.012.010.010.08.010.012.0

The derivative direction of the function represents that the instantaneous change rate of the…

Use the contour diagram of f to decide if the specified directional derivative is positive, negative, or approximately zero. 2.4 16 ? 1. At the point (-1,1) in the direction of 6.0 0.8 (-i +j)/v2, 0.8 2. At the point (0, –2) in the direction of -1.6 4.0 (i – 25)/5, 2.4 -2.4 -1.6 -0.8 0.8 16 ? 3. At the point (-2, 2) in the direction of i, (Click graph to enlarge) ? 4. At the point (-1,1) in the direction of (-i - 3)/v2, ? 5. At the point (0, 2) in the direction of j, ? 6. At the point (1,0) in the direction of -j, 12.0 10.0 12.0 10.0 10.0 12.0 10.0 12.0