4. given f(x, y, z) = z sin(cy), find the directional derivative of f at the point (0.3.1) (a) in the direction of (1, 2,-2), (b) in the direction of vf(0,3,1), (c) along the positive y-axis.

because 1.2 isnt half of 6 duh

it is 28 degrees colder in detroit than philadelphia.

step-by-step explanation:

what number adds to 21

-7 + ? = 21

-7 + 28 = 21

hope it

e. hinduismt religion first emerged on the indian subcontent

to find the perimeter, you add up all the lengths of the sides. in this case you would have to add up 18+22+40+80 which equals 160.