Answer to Question #70526 in Calculus for Danish Siddiqui

Question

Consider the given vector equation.
r(t) = 4eti + 5e−tj
(a) Find r'(t).
r'(t) =


(b) Sketch the plane curve together with the position vector
r(t)
and the tangent vector
r'(t)
for the given value of
t =0