Please do help me with this calculus problems pleaseee. I need the correct letter of the answer and the complete solution. Please please. I promise to give a perfect score as a feedback...

1. It is an improper integral is the limit of a definite integral as an endpoint of the interval of integration approaches either a specified real number or positive or negative infinity? A. Improper Integral B. Proper Integral C. Partial fraction D. Infinity Integral Page of2. It refers to the work done by a constant force and is equal to the magnitude of the forCe. multiplied by the distance the object moves in the direction of the force? A. Force B. Hydrostatic pressure C. fluid D. work 3. The work is done when a force acts upon an object to cause a movement. Three quantities must be known in order to calculate the amount of work. Those three quantities are force. movement and the angle between the force and the object. A. true B. false C. not sure D. None of the above 4. It refers to the pressure that an}r uid in a conned space exerts. If uid is in a container. there will be some pressure on the wall of that container.? A. Force B. Hydrostatic pressure (3. fluid D. work 13. Evaluate the integral of f (2x + 1)dy dx A. 68 3 78 B. - 58 C. 3 Page . of D. 7 14. Evaluate the integral of S S4, S(4x2y -23)dz dy dx A. - 755 4 B. 755 4 855 C. 4 D. 765 41 1. Find the area between the curve y = x (x - 3) and the ordinates x = 0 and x = 5. A. 13 = sq. units B. 8 = sq. units C. 4 =sq. units D. none of the above 12. Calculate the area of the segment cut from the curve y = x (3 - x) by the line y = x. A. 5/3 sq. units B. 1/3 sq. units C. 4/3 sq. units D. none of the above