2. [-/1 Points] DETAILS LARCALC11 13.3.016. 9. [-/1 Points] DETAILS LARCALC11 13.3.060.MI. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Find both first partial derivatives. Find the first partial derivatives with respect to x, y, and z. z = 6y Vx 5xz x +y oz dw ax ax aw ay Need Help? Read it aw Need Help? Read It Master 3. [-/1 Points] DETAILS LARCALC11 13.3.021. MY Find both first partial derivatives. 10. [-/1 Points] DETAILS LARCALC11 13.3.066. z = In MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Find fe fe and fyr and evaluate each at the given point ax az (x, y, 2) - - (5, 1, -1) ay x+ y+2' Need Help? Read It Watch it ((x, y, z) = (,(x, y. 2) - (, (x. v. z) = 4. [-/1 Points] DETAILS LARCALC11 13.3.037. 1(5, 1, -1) (,(5, 1, -1) = MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER ((5, 1, -1) = Find both first partial derivatives. Need Help? Read It z = sinh(18x + 16y) az ax az ay 11. [-/1 Points] DETAILS LARCALC11 13.3.079. Need Help? Read It Watch it MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Find the four second partial derivatives. Observe that the second mixed partials are equal. z x* - 4xy + 3y 5. [-/1 Points] DETAILS LARCALC11 13.3.043. MY N Use the limit definition of partial derivatives to find f (x, y) and f (x, y). ((x. y) = vx+y Oxay a-z av2 ax ar ay ayax Need Help? Read It Watch It Need Help? Read It 6. [-/1 Points] DETAILS LARCALC11 13.3.045. 12. [-/1 Points] DETAILS LARCALC11 13.3.084. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Find f, and f, and evaluate each at the given point Find the four second partial derivatives. Observe that the second mixed partials are equal. 2 = 23xe - 20ye"* ((x, y) = ey , (In 9, 2) d-z (x, y) = ax2 fy(x, v) = Bydax f,(In 9, 2) = ay2 fy(In 9, 2) = axay