Set up a definite integral that represents the indicated shaded area over the interval [c,d] O y=f(x ) y=k(x) cd Choose the correct answer below. OA. k ( x ) dx O B. [k(x) + f(x)] dx O c. f ( x ) dx O D. [f(x) - k(x)] dx OE. [K ( x ) - f( * ) ] dx OF. - [k ( x ) + f ( x ) ] dx