Question

Если f (x)=√x, то значение f'(0.25) равно

Answer 1

$f'(x) = \frac{1}{2\sqrt{x}}\\f'(0.25) = \frac{1}{2\sqrt{0.25}} =  \frac{1}{2 \cdot 0.5} = \frac{1}{1} = 1$