Question

Let f(x,y) be a function of x and y. The partial derivative of f(x,y) with respect to y is equivalent to the directional derivative of f(x,y)

in the direction of the unit vector
Select one:
a. ⟨1,0⟩


b. ⟨1,1,1⟩


c. ⟨0,5⟩


d. ⟨0,1⟩

Answer 1

d. $(0,1)$