4 find the arc length of each curve compute one

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4. Find the arc length of each curve; compute one exactly and approximate the other numerically. 2
8. Find the arc length of each curve; compute one exactly and approximate the other numerically. 2 3
12. (a) Show that the curve starts at the origin at t = 0 and reaches the point (π, 2) at t = 1. (b) Use the time formula (3.2) to determine how long it would take a skier to take the given path. (c) Find the slope at the origin and the arc length for the curve.

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