Previous Problem Problem List Next Problem Section 11.6: Problem 4 (1 point) Find the directional derivative of f(x, y,

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Previous Problem Problem List Next Problem Section 11 6 Problem 4 1 Point Find The Directional Derivative Of F X Y 1 (84.7 KiB) Viewed 28 times

Previous Problem Problem List Next Problem Section 11.6: Problem 4 (1 point) Find the directional derivative of f(x, y, z) = x2 – 4y2 – 4z² at the point P= (-2,-4,-3) in the direction of the origin. Preview My Answers Submit Answers You have attempted this problem 0 times.

Section 11.6: Problem 12 (1 point) Consider the surface z + 8 = rey cos z. Find an equation of the tangent plane to this surface at (8,0,0). Find a vector equation for the normal line to the surface at (8,0,0). r(t) = Note: You can earn partial credit on this problem.

Section 11.6: Problem 11 (1 point) Consider the surface x = 4y2 + 3z2 – 325. - Find an equation of the tangent plane to the surface at the point (2,9, -1). Find a vector equation of the normal line to the surface at (2,9, -1) r(t) = Note: You can earn partial credit on this problem.

Section 11.6: Problem 10 (1 point) 2 Consider a function f(x, y) at the point (5,3). At that point the function has directional derivatives: in the direction (parallel to) (6,3), and 45 in the direction (parallel to) (5,4). 41 The gradient of f at the point (5,3) is 4 Note: You can earn partial credit on this problem.