Let f(x,y) = ey + 6y - I 7 + x. Complete parts (a) and (b) below. (E (a) Find f( - 3,1). Select the correct choice below and, if necessary. fill in the answer box to complete your choice. {:3 A. 11-3.1): (Type an exact answer in simplified form.) B. f(-3,1) does not exist. (b) Select the correct domain of f(x.y). -:"j:u A. {(XsYNX? '7: y>0} B. {(x,y)|x2 7, y is any real number} (3;. C. {(x.y)|x is any real number, y > 0} .53. D. {(x.y)|x is any real number, y is any real number} For the equation 2y + z = 2, complete parts (a) through (e). (a) Find the y-intercept. (b) Find the zintercept. (c) Find the x-intercept. (d) Is the point (2, - 1.4) on the plane? (e) Graph the rstoctant portion of the plane 2y + z = 2. (E (a) Select the correct answer below and, if necessary, fill in the answer box to complete your choice. {:2} A- The y-intercept is ( , , ) . {I} B. There is no yintercept. (b) Select the correct answer below and, if necessary, ll in the answer box to complete your choice. {:2} A- The zintercept is ( , , ) . {I} B. There is no zintercept. (c) Select the correct answer below and, if necessary, fill in the answer box to complete your choice. CFA- The x-interceptis( , , )- C? B. There is no x-intercept. (d) Is the point (2, - 1,4) on the plane? C) Yes C) No (e) Choose the correct graph of the plane. C) A. C) B. C) C. For the function Z: - 5x2 - 2y2, complete parts (a) through (d). (3) Find the xy-trace. (b) Find the yztrace. (c) Find the xztrace. (d) Graph the equation. (a) Select the correct answer below and ll in the answer box(es) to complete your choice. {:3 A. The xytrace is the point ( , , )_ Q} B. The xy-trace is the line y: (:3. C. The xy-trace is the parabola y = (b) Select the correct answer below and fill in the answer box(es) to complete your choice. (:3. A. The yztrace is the line 2 = (:3. B. The yztrace is the parabola z = {:3 C. The yztrace is the point( , , ). (G) Select the correct answer below and ll in the answer box(es) to complete your choice. 0 A. The xz-trace is the point ( , , ) Q B. The xz-trace is the line 2 = (:3 c. The xz-trace is the parabola z = (d) Select the correct graph below. (:3 A. Determine the graph of the equation, {if _=1 16 49 4 Choose the correct graph below. C) A. I %, \\ I I C) B. ImageMultiply E $Failed. $E'ailed} C) c. C) D