Determine which of the vectors are parallel to z:

Finding Slope and Concavity:   Find the following (clearly distinguish your answer by using (a)…(b)…. and (c)…..when typing your responses.

Find v ∙ u.v = 7i – 7j and u = -5i + 5j

Find the derivative of the function at the given point in the direction of A. A = 3i – 4j 1.

Find :  

Find the triple scalar product (u x v) ∙ w of the given vectors.u = -5i – 3j + 4k; v = 4i – 6j + 9k; w = 5i – 10j – 7k

Find the limit. 1.

Find the equation of the sphere, in standard form. Identify the center and radius.  

Find the triple scalar product (u x v) ∙ w of the given vectors.u = -5i – 3j + 4k; v = 7i – 4j + 8k; w = 8i – 5j – 10k

Compute the gradient of the function at the given point. 1.