Which of the following is true?....

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Which of the following is true?
\( \mathrm{P} \)
(1) \( \frac{d y}{d x} \) is positive if \( y \) increases as \( x \) increases
(2) \( \frac{d y}{d x} \) is positive if \( y \) increases as \( x \) decreases
(3) \( \quad \frac{d y}{d x} \) is negative if \( y \) increase as \( x \) increases
(4) None of these


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