Guest Session: 1 Question Remaining. Create Account to save progress.
Login
Multivariable & Vectoreasy
0:00.0

Let f(x,y)=ax+byf(x, y) = ax + byf(x,y)=ax+by where aaa and bbb are constants. What is the directional derivative of fff in the direction of the unit vector u=⟨cos⁡θ,sin⁡θ⟩\mathbf{u} = \langle \cos\theta, \sin\theta \rangleu=⟨cosθ,sinθ⟩ at any point?