46-48 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...

D. LX 46. Evaluate J (x^2) [(8 - x^3)^(1/2) ]dx A. -2/9 (8 - x^3)^(3/2) + c B. -8 (8 - x^3)^(3/2) + c C. 2/9 (8 -x^3)^(3/2) + c D. -2/3 (8 -x^3)^(3/2) + c 47. Evaluate S x^2a dx A. x* (2a+1) + c 2a+1 B. x* (2a+1) + c 2a-1 C. xa/ a+ c D. x / 2a + c 48. Evaluate the integral of sqrt(3t - 1) dt. A. (2/9) (3t - 1)^5/2 + c B. (2/9) (3t -1)^3/2 + c C. (1/2) (3t - 1)^5/2 + c D. (1/2) (3t - 1)^3/2 + c