39-42 please help please... this is just our review... no need for solution please. answer directly only.... please... IN RETURN I WILL GIVE HELPFUL RATING DIRECTLY...

39. The integral of a function between certain limits divided by the difference in abscissas between those limits gives the of the function. A. average B. middle C. intercept D. limit 40. Evaluate integral of cos x In sin x dx A. sin x (1- In sin x) + c B. sin x (1+ In sin x) + c C. sin x (In sin x - 1) + c D. In sin x + c 41. Evaluate S e^x dx 1 + e^(2x) A. 1/2 In (1 + e^2x) + c B. In (1 + e^2x) + c C. 1/2 (1 + e^2x)^2+ c D. Arctan (e^x) + c 42. Evaluate J dx In x^x [(In x)^2-1]^(1/2) A. Arc sec (In x) + c B. 2/3 [(In x)^2-1]^(3/2) + c C. In (In x) ^2- 1+c D. Arc sin (In x) + c