point(s) possible Submit quiz Consider the following function of f and real number a (see figure). f(t) = t +7, a= -7 X y = f(t) a. Find and graph the area function A(x) = f(t)at. a A(x] - area b. Verify that A'(x) = f(x). a X A(X) = Graph A(x). Choose the correct graph below. K O A. O B. O c. OD. Ay RY O 10