Question: The function is defined for x 0. f(x) = 2/x - 2-1/x 21/x + 2-1/x

The function f(x) = 2/x - 2-1/x 21/x + 2-1/x is defined for x ≠ 0.

(a) Investigate lim f(x) and lim f(x) numerically. X-0+ xX-0- (b) Plot the graph of f and describe its

f(x) = 2/x - 2-1/x 21/x + 2-1/x

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