Question
Suppose that f (x, y) = 4e%* sin y. Find the directional derivative of f(x, y) in the direction of - 1, -4) and at the
point (z, y) =(4,
Find exact values. No decimals
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Transcribed Image Text

Suppose that f (x, y) = 4e%* sin y. Find the directional derivative of f(x, y) in the direction of - 1, -4) and at the point (z, y) =(4, Find exact values. No decimals

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