Suppose f(x, y) = √/tan(x) + y and u is the unit vector in the direction of (3, 1). Then, (a) ▼ f(x, y) = (b) ▼ f(-0.1,9) = (c) fu (-0.1, 9) = Du f(-0.1, 9) =

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Suppose f(x, y) =
(a) ▼ f(x, y)
=
(b) ▼ f(-0.1,9)
(c) fu (-0.1, 9)
-
=
tan(x) + y and u is the unit vector in the direction of (3, 1). Then,
Du f(-0.1,9)
Transcribed Image Text:Suppose f(x, y) = (a) ▼ f(x, y) = (b) ▼ f(-0.1,9) (c) fu (-0.1, 9) - = tan(x) + y and u is the unit vector in the direction of (3, 1). Then, Du f(-0.1,9)
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