Question: 3. Let y : (-1, 1) - R2, y(t) = (v1 -+2, t) and let B : (-1/2, 1/2) -> RR2, B(0) = (cos(0), sin(0)).

3. Let y : (-1, 1) - R2, y(t) = (v1 -+2, t) and let B : (-1/2, 1/2) -> RR2, B(0) = (cos(0), sin(0)). (a) Sketch the images of y and B. (b) Find the arclength function of B starting at B(0). (c) Find the speeds of y and B. (d) Show that B is a unit speed reparametrization of y

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