Question

Given that what is the maximum rate of change of $f$ at the point $(4, -1)$? sqrt(148) f(x, y) = (x^1 + y^1) e^{-1x - 4y}, Submit Answer Incorrect. Tries 2/8 Previous Tries Determine the directional derivative of $f(x, y)$ at the point $(4, -1)$ in the direction of $\theta = \frac{4\pi}{3}$ with the positive $x$ axis. $D_u f(x, y) =$ Submit Answer Tries 0/8 Determine the directional derivative of $f(x, y)$ at the point $(4, -1)$ in the direction of the origin from the point $(4, -1)$. $D_u f(x, y) =$ Submit Answer Tries 0/8 Post Discussion

          Given that
what is the maximum rate of change of $f$ at the point $(4, -1)$?
sqrt(148)
f(x, y) = (x^1 + y^1) e^{-1x - 4y},
Submit Answer Incorrect. Tries 2/8 Previous Tries
Determine the directional derivative of $f(x, y)$ at the point $(4, -1)$ in the direction of $\theta = \frac{4\pi}{3}$ with the positive $x$ axis.
$D_u f(x, y) =$
Submit Answer Tries 0/8
Determine the directional derivative of $f(x, y)$ at the point $(4, -1)$ in the direction of the origin from the point $(4, -1)$.
$D_u f(x, y) =$
Submit Answer Tries 0/8
Post Discussion

Given that
what is the maximum rate of change of f at the point (4, -1)?
sqrt(148)
f(x, y) = (x^1 + y^1) e^-1x - 4y,
Submit Answer Incorrect. Tries 2/8 Previous Tries
Determine the directional derivative of f(x, y) at the point (4, -1) in the direction of θ = (4π)/(3) with the positive x axis.
Du f(x, y) =
Submit Answer Tries 0/8
Determine the directional derivative of f(x, y) at the point (4, -1) in the direction of the origin from the point (4, -1).
Du f(x, y) =
Submit Answer Tries 0/8
Post Discussion

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