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Find the domain of the vector function. (Enter your answer using interval notation.)

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Find the Limit

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Sketch the curve with the given vector equation. Indicate with an arrow the direction in which “t” increases.

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4. Draw the projections of the curve on the three coordinate planes. Using these projections to help sketch the curve.

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5. Find a vector equation and parametric equations for the line segment that joins P to Q.

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7. At what points does the curve r(t) intersect the paraboloid.

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8. Find a vector function, r(t), that represents the curve of the intersection of the two surfaces.