Solve these, and but the steps why please

Show transcribed image text Question 1. MULTIPLE CHOICE: select the correct answer (there is only one). (a) The straight line passing through the point P(2,3,-1) and parallel to the vector -5i-4k is of parametric equations: 2+5ty3-1-4 A. True B False b) The symmetricequations ofthe straight line passing through the point P,2-3 and perpendicular to the plane of equation x-2y + 3 -4 are: -13 @we A. True B. False (c) The line y: x=3-21 ; y=6+5t ; z=2+31 and the plane 9: 2x + y-z intersect B. are parallel d) What is the domain of definition of the function f given by fx.y- The first quadrant of the plane All points ofthe plane other than (0,0) The whole plane 'ヴ) 现 C. >, (e)khat is the graph of the function f given by f(x,y)=yW-r-r? The sphere of center (0,0,0) and radius 4. The upper half of the sphere of center (0,0,0) and radius 4 with its xy- ExAげ→ ⓟ The upper half of the sphere of center (0,0,0) and radius 4 without its xy circle