Need help with these. Thanks

QUESTION 7. QUESTION 10. The region bounded by the curve y = In(2x), the coordinate axes and the line y = 1 Is rotated Points P(-1,2).Q (:.;). R(3,3) and (0,0) lie on the Cartesian plane. If A(x. y) is a point in about they - axis to form a solid. Quadrant 2 such that 0A is perpendicular to 0Q, and [OA] = 5 units. What Is the value of x + y? Which of the following integrals is the correct expression for the volume of the solid? (A - ( " Sex dy (B) = Jeezy dy (C) m ber dy (C) (D) m ber dy QUESTION B. dx? What is Jinx (A) Inx + C (B) xInx + C (C) x3+ xInx + C (D) In(Inx) +C QUESTION 9. Without evaluating them, which of the following integrals evaluates to a negative number? (A) [ In(3 - x) dx (B) J's In () dx (C) Lay In(x + 1) dx (D) 65 -In(x) dx