Computing gradients Compute the gradient of the following functions, evaluate it at the given point P, and evaluate the directional derivative at that point in the given direction.
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- onsider the following equation. u = (v3i - ) f(x, y) = sin(3x + 4y), P(-12, 9), (a) Find the gradient of f. Vflx v)arrow_forwardSuppose a function: R Rhas, at a e R the gradient vector V (a) = (-6, -2, -20, -7) Suppose a particle P moves with unit speed through a= (-13,3, 28, 17) with a velocity vector u that makes the angle 4 with Vf(a). Then what rate of change does P experience at that instant? Answerarrow_forwardComputing gradients Find ∇ƒ(3, 2) for ƒ(x, y) = x2 + 2xy - y3.arrow_forward
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