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Posted: **Tue May 10, 2022 8:31 pm**

: Section 11 6 Problem 7 1 Point Consider The Function F X Y X 4y2 Find The The Directional Derivative Of F At 1 (72.68 KiB) Viewed 41 times

Section 11.6: Problem 7 (1 point) Consider the function f(x, y) = x² + 4y2. Find the the directional derivative of f at the point (-2, 1) in the direction given by the angle = Find the vector which describes the direction in which f is increasing most rapidly at (-2,1). Note: You can earn partial credit on this problem.

Previous Problem Problem List Next Problem Section 11.6: Problem 6 (1 point) Find the maximum rate of change of f(x, y) = ln(x2 + y2) at the point (-1,3) and the direction in which it occurs. Maximum rate of change: Direction in which it occurs: Note: You can earn partial credit on this problem.

Previous Problem Problem List Next Problem Section 11.6: Problem 5 (1 point) at the point (-5,-1,-5) y Find the maximum rate of change of f(x, y, z) = =+ Z and the direction in which it occurs. Maximum rate of change: Direction in which it occurs: Note: You can earn partial credit on this problem.