Trục đối xứng của đồ thị hàm số  là:  

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Một số câu hỏi khác có thể bạn quan tâm.

• Choose one word whose underlined part is pronounced differently from the others:
• Choose one word whose underlined part is pronounced differently from the others:
• Choose one word whose underlined part is pronounced differently from the others:
• Choose one word whose underlined part is pronounced differently from the others:
• Choose one word whose underlined part is pronounced differently from the others:
• Choose one word whose underlined part is pronounced differently from the others:
• Choose one word whose underlined part is pronounced differently from the others:
• Choose one word whose underlined part is pronounced differently from the others:
• Choose one word whose underlined part is pronounced differently from the others:
• Choose one word whose underlined part is pronounced differently from the others: