Find the directional derivative of the function at the given point in the direction of the vector v. f(x, y, z) = x2y + y2z, (2, 7, 9), v = 2, −1, 2 duf(2, 7, 9) =

Select a graph that have an equation with a < 0

Adozen bananas weigh 3 pounds how many ounces does 1 banana weigh

Find the volume v of the solid obtained by rotating the region bounded by the given curves about the specified line. y = x â’ 1 , y = 0, x = 5; about the x-axis v = sketch the region. sketch the solid, and a typical disk or washer.