Previous Problem Problem List Next Problem f(x, y) (1 point) Consider the function f(x, y) =...
Homework 4: Problem 3 Previous Problem Problem List Next Problem (6 points) Consider the function f(x, y) - (e - x) sin(y). Suppose S is the surface z- f(x, y) (a) Find a vector which is perpendicular to the level curve of f through the point (5,5) in the direction irn which f decreases most rapidly. vector (b) Suppose u = 31 + 3/4 ak is a vector in 3-space which is tangent to the surface S at the point...
Consider the function f(x,y)=(ex-2x)sin(y). Suppose S is the surfacez=f(x,y).(a) Find a vector which is perpendicular to the level curve of through the point (4,6) in the direction in which f decreases most rapidly.vector =(b) Suppose v=5i+7j+ak is a vector in 3-space which is tangent to the surface S at the point P lying on the surface above (4,6). What is a?
Previous Problem Problem List Next Problem (1 point) Show that the vector field F(x, y, z) show what you intended? (-3y cos(5x), 5x sin(-3y),0) is not a gradient vector field by computing its curl. How does this curl(F) = V × F-《
At least one of the answers above is NOT correct. (1 point) Suppose f(x, t) = e 3t sin(x + 2t). (a) At any point (x, t), the differential is df = e^(-3t)cos(x+2t)dx+(e^(-3t))(2cos(x+2t)-2sin(x+2t))dt (b) At the point (-1,0), the differential is df = cos(-1)dx+(2cos(-1))+3sin(-1)dt (c) At the point (-1,0) with dx = -0.5 and dt = 0.3, the differential is df = 0.97344 Note. You can earn partial credit on this nrohlem (1 point) Consider the surface xyz = 20....
Consider the surface given as a graph of the function g(x, y) = x∗y 2 ∗cos(y). The gradient of g represents the direction in which g increases the fastest. Notice that this is the direction in the xy plane corresponding to the steepest slope up the surface, with magnitude equal to the slope in that direction. 1. At the point (2, π), find the gradient, and explain what it means. 2. Use it to construct a vector in the tangent...
72 Partial Derivatives: Problem 16 Next Previous Problem List (1 point) Suppose the f(x, y) is a smooth function and that its partial derivatives have the values, f(0,-4) 5 and f,(0, -4) =-1. Given that f(0,-4) = 0, use this information to estimate the value of f(1,-3) Note this is analogous to finding the tangent line approximation to a function of one variable. In fancy terms, it is the first Taylor approximation. Estimate of (integer value) f(1,-3) 72 Partial Derivatives:...
13) Find an equation of the tangent line to the curve y=sin(5x)+cos(8x) at the point (π/6,y(π/6)). what is the tangent line: 14) f(x)=4x^2cos(4x) what is the first and second derivatives and solve both for F(5) NOTE There should be four answers! 16) Suppose that f(x)=3x/(4−5x^)3 find an equation for the tangent line to the graph of f at x=2. the tangent line: y=
Assignment 4 - Vector Functions: Problem 7 Previous Problem Problem List Next Problem (1 point) Consider the curve r = (e-44 cos(—2t), e-4t sin(–2t), e-4). Compute the arclength function s(t): (with initial point t = 0). 2(14)^(1/2)*(1/4-(e^(-4t))/4) Preview My Answers Submit Answers You have attempted this problem 1 time. Your overall recorded score is 0%. You have unlimited attempts remaining.
Hi need help for these Questions: a. Given f = yi + xzk and g = xyz2, determine (∇ x f ) . ∇g at the point (1,0,3) b. Point A lies on the curve r(t) = 2 cos t i + 2 sin t j + t k for the range 0 ≤ t ≤ 2π . At point A, the tangent vector is T = - 21/2i + 21/2j + k. Determine the co-ordinates of point A and...
Previous Problem Problem List Next Problem (1 point) Find the equation (in terms of x and y) of the tangent line to the curve r = 2 sin 30 at 0 = x/6. Preview My Answers Submit Answers You have attempted this problem 0 times. You have unlimited attempts remaining.