Barrons AP Calculus

(Marvins-Underground-K-12) #1












(D)

(A) The required    area    is  lined   in  the figure  below.

Intersections:   ;

Let r 1     =   3   sin θ   and r 2     =   1   +   sin θ,  then    the area    of  the shaded  region  is

(D) Note    that    f   (x) =   x + 6   if  x ≠ 6,  that    f   (6) =   12, and that        So
f is defined and continuous at x = 6.
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