Question: The function f is defined by f(x) = x + 9/x, x R, x 0. a. Find f'(x). b. Solve f'(x) = 0.

The function f is defined by f(x) = x + 9/x, x ∈ R, x ≠ 0.

a. Find f'(x).

b. Solve f'(x) = 0.

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