# Question: a Let f R R be defined by F x x 2 sin 1 x x

a. Let f : R → R be defined by

F (x) = {x 2 sin 1/x) x ≠ 0,

0 x = 0.

F (x) = {x 2 sin 1/x) x ≠ 0,

0 x = 0.

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