3. Find an equation of the plane that contains the point (1, 1, 1) and has normal vector 23+ 313. A. myz+%=0 B. a3+4y+62+9=0 C. m:1=}%1=Z'l D. myz=0 E. %m+29+3z=1 4. Find an equation of the plane that contains the points (1,0, 1), (5, 3, 2), and (2, 1, 4). A. 6m11y+z=5_' B. 6x+11y+z=5 C. 11m6y+z=0 D. F=18i33j+3k E. myllz=12 5. Find parametric equations of the line tangent to the curve 77(15) : 155+ 1525+ t3}? at the point (2,4,8) A. $=2+t,y=4+4t,z=8+12t B. m=l+2t,y=4+4t,z=12+8t C. $=2t,y=4t,z=8t D. m:t,y=4t,z=12t E. m=2+t,y=4+2t,z=8+3t