Question: Read the Question carefully Let f be a function such that 2x Let f be a function such that 2x f (x) l, for all

Read the Question carefully

Let f be a function such that 2x
Let f be a function such that 2x f (x) l, for all x in (0, 2). Show by computing the limit lim that f is differentiable at x = I and find f '(l ).
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