(D) 1
(E) −2
In Questions 75–76, a particle is in motion along the polar curve r = 6 cos 2θ such that
radian/sec when
- At that point, find the rate of change (in units per second) of the particle’s distance from the
origin.
(A)
(B)
(C)
(D)
(E) - At that point, what is the horizontal component of the particle’s velocity?
(A)
(B)
(C) −2
(D)
(E)
Use the graph of f ′ on [0,5], shown below, for Questions 77 and 78.
- f has a local minimum at x =
(A) 0
(B) 1
(C) 2
(D) 3
(E) 5