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Use the contour diagram of f to decide if the specified directional derivative is positive, negative, or approximately zero. 1. At the point (0, 2) in the direction of 7, 2. At the point (-1, 1) in the direction of ? ? (-i+j)/√2, ? (i - 2j)/√5, ? (-i - j)/√2, ? ? 3. At the point (0, -2) in the direction of 4. At the point (-1, 1) in the direction of 5. At the point (-2, 2) in the direction of 7, 6. At the point (1, 0) in the direction of-j, 2.4 1.6 0.8 o -0.8 -1.6 -2.4 12.0 12.0 10.0 10.0 6.0 -0.8 0.8 4.0 1.6 12.0 10.0 10.0 12.0 2.4 (Click graph to enlarge)

Use the contour diagram of f to decide if the specified directional derivative is positive, negative, or approximately zero. 1. At the point (0, 2) in the direction of 7, 2. At the point (-1, 1) in the direction of ? ? (-i+j)/√2, ? (i - 2j)/√5, ? (-i - j)/√2, ? ? 3. At the point (0, -2) in the direction of 4. At the point (-1, 1) in the direction of 5. At the point (-2, 2) in the direction of 7, 6. At the point (1, 0) in the direction of-j, 2.4 1.6 0.8 o -0.8 -1.6 -2.4 12.0 12.0 10.0 10.0 6.0 -0.8 0.8 4.0 1.6 12.0 10.0 10.0 12.0 2.4 (Click graph to enlarge)

Intermediate Algebra
Intermediate Algebra
10th Edition
ISBN:9781285195728
Author:Jerome E. Kaufmann, Karen L. Schwitters
Publisher:Jerome E. Kaufmann, Karen L. Schwitters
Chapter9: Functions
Section9.1: Relations And Functions
Problem 67PS: The height of a projectile fired vertically into the air neglecting air resistance at an initial...
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Use the contour diagram of ƒ to decide if the specified directional derivative is positive, negative, or approximately zero. 1. At the point (0, 2) in the direction of 7, 2. At the point (−1, 1) in the direction of ? ? (−i +j)/√2, ? (i - 2j)/√5, ? (-i-j)/√2, ? ? 3. At the point (0, −2) in the direction of 4. At the point (-1, 1) in the direction of 5. At the point (-2, 2) in the direction of i, 6. At the point (1, 0) in the direction of -j, 2.4 1.6 0.8 0 -0.8 -1.6- -2.4 12.0 12.0 10.0 6.0 10.0 -2.4 -1.6 -0.8 0 X 0.8 4.0 1.6 12.0 10.0 8. 10.0 12.0 2.4 (Click graph to enlarge)
Transcribed Image Text:Use the contour diagram of ƒ to decide if the specified directional derivative is positive, negative, or approximately zero. 1. At the point (0, 2) in the direction of 7, 2. At the point (−1, 1) in the direction of ? ? (−i +j)/√2, ? (i - 2j)/√5, ? (-i-j)/√2, ? ? 3. At the point (0, −2) in the direction of 4. At the point (-1, 1) in the direction of 5. At the point (-2, 2) in the direction of i, 6. At the point (1, 0) in the direction of -j, 2.4 1.6 0.8 0 -0.8 -1.6- -2.4 12.0 12.0 10.0 6.0 10.0 -2.4 -1.6 -0.8 0 X 0.8 4.0 1.6 12.0 10.0 8. 10.0 12.0 2.4 (Click graph to enlarge)
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