user-avatar
yennhu050401
2 năm trước
Giúp mình : tìm đk của x để các biểu thức sau xác định `f)` $\sqrt{\frac{x+5}{-13}}$ `g)` $\sqrt{2x^2+3}$ `h)` $\sqrt{x(x+2)}$
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

Exercise 5 1.​You need to talk to a person____ you can trust. You will feel better if you do. ​a. whose​b. which​c. whom​d. f 2.​Bod is the kind of person to____ one can talk about anything. ​a. who​b. whom​c. that​d. him 3.​He is a person____ friends trust him. ​a. who​b. his​c. that​d. whose 4.​I'm looking for an electric can opener____ also can sharpen knives. ​a. who​b. whom​c. which​d. f 5.​People____ live in glass houses shouldn't throw stones. ​a. who​b. whom​c. which​d. f 6.​The problems____ Tony has seem insurmountable. ​a. what​b. he​c. that​d. f 7.​The man____ I introduced you to last night may be the next president of the university. ​a. which​b. whom​c. that​d. f 8.​Cathy is trustworthy. She's a person upon____ you can always depend. ​a. who​b. whom​c. that​d. f 9.​Your career should focus on a field in ____ you are genuinely interested. ​a. which​b. what​c. that​d. f 10.​People____ outlook on life is optimistic are usually happy people. ​a. whose​b. whom​c. that​d. which 11.​They said they didn’t have any money, ____ was a pity. ​a. which​b. that​c. this​d. it 12.​I haven't got a passport, ____ means I can't leave my country. ​a. which​b. that​c. this​d. it 13.​He offered to let me stay in his house, ____ was very nice of him. ​a. this​b. which​c. it​d. that 14.​They didn't thank us for the meal before they left____ I thought was very rude of them. ​a. this​b. which​c. it​d. that 15.​The part of town where I live is very noisy at night, ____ makes it difficult to sleep. ​a. this​b. where​c. that​d. which 16.​That's the room____ I used to stay. ​a. which​b. when​c. where​d. why 17.​That's the one____ they serve the best food. ​a. which​b. when​c. where​d. why 18.​That's the one____ they serve the best food ​a. where​b. which​c. when​d. why 19.​Doc Let is the beach____ I used to sunbathe. ​a. where​b. which​c. when​d. why 20.​It was the time____ I had a lot of toys. ​a. where​b. which​c. when​d. why Exercise 6 1.​That is the place_____ the accident occurred. ​a. where​b. which​c. on which​d. that 2.​There was a time_____ movies cost a dime. ​a. as​b. where​c. when​d. which 3.​One of the people _____ I admire most in the history of the world is Gandhi. ​a. that​b. which​c. whose​d. of them 4.​I enjoyed talking to he people _____ I had dinner last night. ​a. to whom​b. with whom​c. with that​d. with whose 5.​I received two job offers, _____ I accepted. ​a. neither of which​b. neither of them​c. neither of that​d. neither of whom 6.​I have three brothers, _____ are professional athletes. ​a. two of which​b. two of whom​c. both of which​d. two of them 7.​Sally lost her job, _____ wasn't surprising. ​a. that​b. what​c. it​d. which 8. ​Her boss fired her, _____ made her angry. ​a. that​b. what​c. which​d. it 9.​Those were the days_____ we played truant. ​a. where​b. which​c. why​d. when 10.​That was the time _____ I was unhappy. ​a. where​b. when​c. which​d. why 11.​That's the reason_____ I didn’t come to the meeting last night. ​a. where​b. when​c. which​d. why 12.​I must find a time_____ I can tell her the truth. ​a. where​b. how​c. when​d. why 13.​I know a place_____ there are a lot of daffodils. ​a. where​b. how​c. when​d. why 14.​Dr. Sales is a person_____ ​a. In whom I don’t have much confidence.​ b. In that I don’t have much confidence. c. whom I dont' have much confidence in him d. I don’t have much confidence 15.​"Is April twenty-first the day_____?" "No, the twenty - second". ​a. you'll arrive then​b. when you'll arrive​ c. on that you'll arrive​ d. when you'll arrive on 16.​The severe drought_____ occurred last summer ruined the corn crop. ​a. that it​b. which it​c. it​d. that 17.​Florida, _____ the Sunshine State, attracts many tourists every year. ​a. is​b. knows as​c. is known as​d. that is known as 18.​The new shopping mall is gigantic. It's advertised as a place_____ you can find just about anything you might want to buy. ​a. where​b. which​c. in where​d. in that 19.​I have always wanted to visit Paris, _____ of France. ​a. is the capital ​b. which the capital is ​c. that is the capital​d. the capital 20.​The chemistry book _____ was a little expensive. ​a. that I bought it​b. I bought that​c. what I bought​d. I bought Làm hộ mik 2 bà này với. Mik cảm oen ạ

2018 © Loga - Không Ngừng Sáng Tạo - Bùng Cháy Đam Mê
Loga Team