Describe the graph of the equation: r = 4ti – 8j + (1 + 2t)k. [Choose the correct answer.] The equation is a line in 3-space through the point (0, – 8) and perpendicular to the vector 4i + 2k. The equation is a line in 3-space through the point (4) and parallel to the vector - 8j + k. The equation is a helix in 3-space containing the point (0, – 8) and above a circle with radius 6. The equation is a line in 3-space through the point (0, – 8) and parallel to the vector 4i + 2k.

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