34-37 need help asap

34. If J, f (x)dx = 4 and fjof(x)dx = 7, then S3 f(x)dx = a) - 3 b ) 0 c ) 3 d) 10 e) 11 35. The regions A, B, and C in the figure below are bounded by the graph of f(x) and the x- axis. If the area of each region is 5, what is the value of _If (x) + 2]dx? y =f(x) X -3 O C A a) -5 b ) 2 C ) 7 d) -3 e) 10 36. J4 sin x dx = a ) V2 b ) V2 V2 2 2 C ) - - 1 d) 2 2 + 1 e) 2 1 37. Je-4x dx = a) b ) -40 -4 c) e-4 - 1 d) 4 4 e) 4 - 4e-4