Bạn hỏi - Chuyên gia trả lời
Bạn cần hỏi gì?
Cho hàm số bậc ba y = f(x). Hàm số g(x) = f(x + 2) có bảng biến thiên như bên dưới.
A. 0
B. -3
C. -1
D. 2
A. a3
B. 2a3
C. 3a3
D. 4a3
Cho hàm số y = f(x) có bảng biến thiên như hình vẽ bên dưới.
Số nghiệm thực phân biệt của phương trình ffx+1+2=0 là
A. 2
B. 6
C. 4
D. 3
A. 5
B. 3
C. Vô số
D. 4
A. 44455
B. 455
C. 22455
D. 233
A. 1
B. 4
C. 2
A. 255
B. 1010
C. 31010
D. 55
A. −1;+∞
B. (-1;1)
C. R
D. −∞;−1 và 1;+∞
A. 2a+b=8
B. 2a+b=5
C. 2a+b=9
D. 2a+b=6
Can you please ____ me a favor and take your loud music somewhere else? I'm trying to sleep!
Phat will give you a call as soon as he ___________.
I realized at an early age that the ______-to-______ job wasn't for me.
We expect Tony _____ to the train station late as the train will come within 15 minutes.
You’d better be at the airport at 7.00 a.m because the plane will _________ at 8.30 a.m.
There are many places for tourists to _________on the island.
Those files are very cheap,_______?
Jessica is very clever ____ chemistry. Therefore, she will receive RSC Prizes next year.
I will tell you something interesting ______.
My sister dances __________ than me.
Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions
The bridge _____ by Japanese architects is very nice.
Mark the letter A, B, C, or D on your answer sheet to indicate the word that differs from the other three in the position of primary stress in each of the following questions.
A. assignment
A. circle
Mark the letter A, B, C, or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions.
A. university
According to the passage, Jackson’s policy toward American Indians was___________.
A. 7 < m < 20
B. m > 20
C. -10 < m < 6
D. m < -10
According to the passage, why did Jackson oppose the Bank of the United States?
The word “institution” in paragraph 3 refers to ____________.
The author suggests that Jackson’s election and inauguration ________.
The author’s perspective toward Andrew Jackson could be best described as ______.
What is the most likely reason why the author is surprised that we are destroying rainforest?
A. m≤14
B. m>14
C. m≥14
D. m<14
The word “countless” in the last paragraph is closest in meaning to ______.
The word “They” in paragraph 2 refers to ________.
Cho hàm số bậc ba y = f(x) có đồ thị là đường cong trong hình bên dưới.
C. 1
D. 0
Why is Amazon Rainforest called “Lungs of the planet”?
The word “humid” in paragraph 1 is closest in meaning to ______.
A. y'=x1+x
B. y'=1−xx
C. y'=1+xx
D. y'=x1−x
According to the passage, rainforests provide human all of the following EXCEPT?
What is the passage mainly about?