Barrons AP Calculus

(E)

33.

(A)

(B)

(C)

(D)

(E)

34.

(A)

(B)

(C)

(D)

(E)

35.

(A)

(B)

(C)

(D)

(E)

36.

(A)

(B)

(C)

(D)

(E)

37.

none    of  these

6

0

none    of  these

2

−2

0

none    of  these

−2

2

none of these
In Questions 36–40, choose the alternative that gives the area, if it exists, of
the region described.

In  the first   quadrant    under   the curve   of  y   =   e−x.

1

e

2

none    of  these

In  the first   quadrant    under   the curve   of  y   =   xe−x

2

.