oblem #3: Find the work done by the force F = 9xyi + 6yj acting along the piecewise-smooth curve consisting of the line segments from (-2, 2) to (0, 0) and from (0, 0) to (2, 8). Problem #3: Just Save Submit Problem #3 for Grading Problem #3 Attempt #1 Attempt #2 Attempt # 3 Attempt #4 Attempt #5 Your Answer: Your Mark: oblem #4: Let F(x, y, z) = (9x8 In( 82 + 3) + 826) i+ (16yx 8/ 2 + 3 - + 5z) j + (48xz) + 5y - 7x sin 7z) k and let r(t) = (8 + 1)i + (12 + 2) j + 8k, Ost