1. [-/4 Points] DETAILS SCALCET9 14.3.047. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Find all the second partial derivatives. f( x, y) = xay- 2x5y2 x x ( X , y ) = ( xy ( x , y ) = fux ( x, y ) = fry ( x , y ) = Need Help? Read It Submit Answer 2. [-/6 Points] DETAILS SCALCET9 14.3.050.EP. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Consider the following. T = e-or cos(0) Find the first partial derivatives. Find all the second partial derivatives. TOA Need Help? Read It Submit Answer 3. [-/2 Points] DETAILS SCALCET9 14.3.063. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Find the indicated partial derivatives. W = y + 3z 23 w azayax axzay Need Help? Read It Watch It Submit Answer 4. [-/1 Points] DETAILS SCALCET9 14.3.067. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER If f(x, y, z) = 2xy2z3 + arcsin(xvz), find fxzy. [Hint: Which order of differentiation is easiest?] fxzy = Need Help? Read It Submit Answer 5. [-/1 Points] DETAILS SCALCET9 14.3.094. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER The paraboloid z = 8 - x - x - 2y intersects the plane x = 3 in a parabola. Find parametric equations in terms of t for the tangent line to this parabola at the point (3, 2, -12). Use a computer to graph the paraboloid, the parabola, and the tangent line on the same screen. (Enter your answers as comma-separated lists of equations. Use t as your parameter.) Need Help? Read It