Question: The function f, defined for x R, x > 0, is such that: a. Find the value of f(x) at x = 4. b.

The function f, defined for x ∈ R, x > 0, is such that:


f'(x) = x - 2 + 1 x


a. Find the value of f"(x) at x = 4.


b. Prove that f is an increasing function.

f'(x) = x - 2 + 1 x

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