Barrons AP Calculus

(A)

(B)

(C)

(D)

18.

(A)

(B)

(C)

(D)

19.

(A)

(B)

(C)

(D)

figure. If  the depth   of  the water,  h,  is  graphed as  a   function    of  time,   the

graph   is

constant

linear

concave upward

concave downward

If      then

f(x)    is  not continuous  at  x   =   1

f(x)    is  continuous  at  x   =   1   but f   ′(1)    does    not exist

f   ′(1)    =   2

    does    not exist

    is

−∞

−1

∞

nonexistent

Questions 20 and 21. The graph below consists of a quarter-circle and two line segments, and
represents the velocity of an object during a 6-second interval.