Question 3 16.67 pts Find the partial derivative with respect to @ of the function -2ce(2:-1) log(y + 2). O 4 xe(-2z-1) log(y + 2) O 4el-2+1) y+2 O 2me( 2: 1) y+2 O -2e(-2*-1) log(y + 2)Find the partial derivative with respect to z of the function (-y - 1) 6 e(-22+3) log(2 x - 3). 0 -2(-y-1)te(-2*+3) log(2 x - 3) O 4e( 2 2+3) 5 (2x-3)(-y-1) 5 O 2 (-y-1) 5 e(-2 2+3) 2x-3 O e(-2 +3) log(2 m:-3) 5 (-y-1) 5 Question 5 16.67 pts Determine which of the following is true about f(x, y) = -7x2+732 -7. O f has a relative maximum at (0,0,-7). O f has a relative minimum at (0,0,-7). O f has a saddle point at (0,0,-7). O f has no critical points.D Question 6 16.67 pts Determine which of the following is true about f(x, y) = -4x2 -10y -3 O f has a relative minimum at (0,0,-3). O f has a saddle point at (0,0,-3). O f has no critical points. O of has a relative maximum at (0,0,-3).Which of the answer choices best describes the domain of 11353;} = V4g+mz _y? {Z} All points below and on the parabola y = 3:2 _| 49. C} All points above [but not on} the parabola y = 53,2 + 49. C} All points above and on the parabola y = 3:2 + 49. C} All points in the my-pla ne. {3 All points below [but not on} the parabola y = 3:2 + 49. Question 2 16.6? pts Consider f[5~;1 y) = 1.339 _ 3:3 _ 3.3, and let .s = ay}. 1What is the 3' = 9 level curve? C} A circle of radius 1 {'31:}. {j A circle of radius . C} A circle of radius 1:13. {3 Nothing. C} A circle of radius 41/3