Barrons AP Calculus

(C)

(D)

(E)

42.

(A)

(B)

(C)

(D)

(E)

43.

(A)

(B)

(C)

(D)

(E)

2π

4π

none    of  these

The first-quadrant  region  under   y   =   e−x;    about   the x-axis.

π

2π

4π

none    of  these

Part    B.  Directions: Some    of  the following   questions   require the use of  a   graphing    calculator.

AREA

In Questions 43–47, choose the alternative that gives the area of the region
whose boundaries are given.

BC  ONLY    QUESTIONS   43–44

The area    bounded by  the parabola    y   =   2   −   x^2     and the line    y   =   x   −   4   is

given   by