I need solve this questions

Question 1 Question 2 Not yet answered Not yet answered Marked out of 5.00 Marked out of 5.00 'F Flag question t7 Flag question I I I 9 2 . The partlal derivative f x (1, 0) of The domain of f( x, y) = _V j? y2_ ls the upper f (x, y) = xe\" + x2 + 1 is equal to -1- half of the disc centered at origin with radius r = 3 Select one: Select one: 0 True 0 True 0 False 0 False Question 5 Question 6 Not yet answered Not yet answered Marked 0111 Of 5-00 Marked out of 5.00 Fl ' \\V ag question t7 Flag question The directional derivative of - - - dz _ - f(x, y) = _xe2y __ x3 y at the point (0, 4) in the Which of the followmg 1s 71, fort - 1 1f _ 2 _ direction of the vector equals to: z 1110' Y3): x er and y = 92!? Select one: Select one: 0 2e4 O None of them x/E o 0 0 e O '1 0 e2 0 None of them 0 8 0 2e\" 0 1 J3