6. [-/4 Points] DETAILS SCALCET8 5.2.033. The graph of f is shown. Evaluate each integral by interpreting it in terms of areas. 4 y = f(x) -14 0 14 28 X 42 56 (a) F ( x ) dx ( b ) f ( x ) dx 49 (c) f ( x ) dx /35 63 (d) f ( x ) dx Jo7. [4'3 Points] DETAILS SCALCETB 5.2.034.Ml. The graph ofg consists of two straight lines and a semicircle. Use it to evaluate each integral. 3' y=mm 12 21 3. [-/1 Points] DETAILS TANAPCALC10 6.3.015. Find an approximation of the area of the region R under the graph of the function fon the interval [1, 3]. Use n = 4 subintervals. Choose the representative points to be the right endpoints of the subintervals. A ( x ) = _ square units 4. [-/1 Points] DETAILS SCALCET8 5.2.035. Evaluate the integral by interpreting it in terms of areas. [ (1 - x ) ex 5. [-/1 Points] DETAILS SCALCET8 5.2.037. Evaluate the integral by interpreting it in terms of areas. 1 ( 1 + 19- xz ) dx