Cho hàm số có bảng biến thiên như hình vẽ dưới đây   Số nghiệm của phương trình là:         

Chia sẻ

Một số câu hỏi khác có thể bạn quan tâm.

• Choose the word that has the underlined part pronounced differently from the rest:

  involve              subzero               go             alone

• Choose the word that has the underlined part pronounced differently from the rest:

  pilot               meeting               find                 widely

• Choose the word that has the underlined part pronounced differently from the rest:

  butter            put              sugar           push

• Choose the word that has the underlined part pronounced differently from the rest:

  water              warm             bank              war

• Choose the word that has the underlined part pronounced differently from the rest:

  great              friend              dead              breath

• Choose the word that has the underlined part pronounced differently from the rest:

  popular              pollution              population              proper

• Choose the word that has the underlined part pronounced differently from the rest:

  enterprise            enrich              enlarge             enlist

• Choose the word that has the underlined part pronounced differently from the rest:

  natural               nature                 native                nation

• Choose the word that has the underlined part pronounced differently from the rest:

  dirty              recycle               empty            yearly

• Choose the word that has the underlined part pronounced differently from the rest:

  challenge              manage              natural             human