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 V Flag question t7 Flag question The partial derivative fx ( 1 , 0) Of The domain of fix, 3;) = 1/; is 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 Nt Vat answered Not yet answered Marked out of 5.00 Marked out of 500 Fl t' F ag ques ran it? Flag question The directional derivative of - - - dz _ . f(x, y) = _x92y _ x3y at the point (0,4) in the Which of the followmgis Tl,- fort . 1 1f direction of the vector equals to: z = 1n(x2y3), x = er and y = 92:? Select one: Select one: O 2e4 0 None of them 0 0 O 3;- o 1 o e2 0 None of them 0 8 O '29\" O 1 J3