Which of the following represents the area of the shaded region in the figure above?



∫dcf(y)dy
the integral from c to d of f y d y
A

∫ba(d−f(x))dx
the integral from A to b of open paren d minus f of x close paren, dx
B

f′(b)−f′(a)
f prime times b minus f prime times A
C

(b−a)[f(b)−f(a)]
open paren b minus A close paren times open bracket f of b minus f of A close bracket
D

(d−c)[f(b)−f(a)]