Describe the graph of the equation: r = 5ti – 8j + (1 + 5t)k. [Choose the correct answer.] O The equation is a line in 3-space through the point (0, – 8) and parallel to the vector 5i + 5k. O The equation is a helix in 3-space containing the point (0, – 8) and above a circle with radius 10. O The equation is a line in 3-space through the point (5) and parallel to the vector -8j + k. O The equation is a line in 3-space through the point (0, – 8) and perpendicular to the vector 5i + 5k.

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