Determine how the graph of the surface s(u, v) differs from the graph of r(u, v) = u cos vi + u sin vj + u²k (see figure), where 0 ≤ u ≤ 2 and 0 ≤ y ≤ 2π. (It is not necessary to graph s.)

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s(u, v) = 4u cos vi + 4u sin vj + u²k 0 ≤ u≤ 2, 0 ≤ y ≤ 2π ≤u≤