Barrons AP Calculus - David Bock

35.

(A) −2

(B)

(C) 2

(D)

(E) none of these

BC ONLY

In Questions 36–40, choose the alternative that gives the area, if it exists, of the region described.

36. In the first quadrant under the curve of y = e−x.
    (A) 1
    (B) e
    (C)
    (D) 2
    (E) none of these


37. In the first quadrant under the curve of y = xe−x^2.
    (A) 2
    (B)
    (C)
    (D)
    (E) none of these


38. In the first quadrant above y = 1, between the y-axis and the curve xy = 1.
    (A) 1
    (B) 2
    (C)
    (D) 4
    (E) none of these