1. (10pts) An open tank has the shape of an inverted right circular cone. The tank is 8 feet across at the top and is 6 feet high. How much work is done in emptying the tank by pumping the water over the top edge? Work: Answer: 2. (10pts) Find an algebraic expression for cos(arcsin(2x)). Work: Answer: 3. (10pts) Evaluate 9/4 3/2 Work: Answer: dx 3x x2 . Hint! Complete the square. 4. (10pts) Problem 34a in section 7.3 of the text. Work: Answer: 5. (10pts) Problem 34b in section 7.3 of the text