Math 307 Practice Exam 1 - Page 4 of 6 9/ 26/22 3. (10 points) Find the arc length parametrization for FOE) = for t 2 0. Math 307 Practice Exam 1 - Page 5 of 6 9/26/22 4. (10 points) Find the principal unit normal vector and curvature for t) = 1. (10 points) Find an equation for the intersection of the planes defined by the equations: A. -x + 2y - z =4 B. 3x ty + z =2Math 307 Practice Exam 1 7 Page 2 of 6 9/26/22 1. (10 points) Find an equation for the intersection of the planes dened by the equations: A. 7$+2y7224 B. 3x+y+z=2 Math 30? Practice Exam 1 - Page 3 of 6 9/26/22 2. (10 points) Let i? =,1')' =,'ti3 = A. Find an equation for the plane passing through the origin containing the vectors 17 and 11}. B. Compute the projection of 11' onto the normal vector for the plane you found in part A