f(x) = 8/x + 16
f'(x) = -8 * 1/x² + 0
f'(x) = -8/x²
Тогда f'(2) = -8/2²
f'(2) = -8/4
f'(2) = -2
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Verified answer
f(x) = 8/x + 16
f'(x) = -8 * 1/x² + 0
f'(x) = -8/x²
Тогда f'(2) = -8/2²
f'(2) = -8/4
f'(2) = -2