I need solve this questions MCQ of calculus II MA 166

Question 3 Question 4 Not yet answered Not yet answered Marked out of 5.00 Marked out of 5.00 Flag question Flag question Question [5 points] Question [5 points]: The area of the surface obtained by rotating the The limit curve y = Vx + 1, for 0 4x +4" Select one: Select one: O True O True O False O False Question 7 Question 8 Not yet answered Not yet answered Marked out of 5.00 Marked out of 5.00 Flag question Flag question Question [5 points]: Question [5 points]: If the average value of the function f(x) on [0, 3] is equal to What is the integral that represents the length of the curve 3 1 (dx = 8, what is from x = 2 to x = 4. Select one: Of2 ( 1 + x2 ) dx Select one: O 24 9 None of the others 0 6 Of2 # VI+ x3 dx 2 of ( 1 + x5 ) dx None of the others