I need solve this questions MCQ of calculus III code MA261

Question 2 Question 1 Not yet answered Not yet answered Marked out of 5.00 Marked out of 5.00 Flag question Flag question Determine whether the following equality is true or false. In f (x, y)dA = [ 1 32-x f (x, y)dydx, If D is the region enclosed by where D = {(x, >)| x2+ 12 5 32, > >lx1}. y = , x =7, and y = 7x. Then ID LydA = 693. Select one: O True OFalse Select one: O True O False Question 6 Question 5 Not yet answered Not yet answered Marked out of 5.00 Marked out of 5.00 Flag question Flag question The region D is bounded by the curves Choose the correct answer by changing the order of integration of the following iterated y = 5, and y = 5x2 . Which of the integral following can be used to evaluate the double integral So Syg'cos ( 9x + 7y) dxdy In f (x, y)dA. None of the others o jog' lo cos (9x + 7y) dydx o for5 x f ( x, y )dyd x ['s Jets cos(9x + 7y) dydx None of the others of's f(x, y)dydx of: fox cos (Ox + 7y) dydx ofolsz f ( x, y ) dy d x of 18-* cos (9x + 7y) dydx off f ( x , y )dydx