Write the line through P=(2,−4,2) in the direction of V=⟨−2,0,4⟩ in vector parametric form:
a) r(t) = ⟨2 - 2t, -4, 2 + 4t⟩
b) r(t) = ⟨2 + 2t, -4, 2 - 4t⟩
c) r(t) = ⟨2 - 4t, -4, 2 + 2t⟩
d) r(t) = ⟨2 + 4t, -4, 2 - 2t⟩