问题
填空题
当实数x的取值使得
|
答案
∵实数x的取值使得
有意义，x-2
∴x-2≥0，解得x≥2，
∵y=4x+1，
∴x=
，y-1 4
∴
≥2，解得y≥9．y-1 4
故答案为：y≥9．
搜题请搜索小程序“爱下问搜题”
当实数x的取值使得
|
∵实数x的取值使得
有意义，x-2
∴x-2≥0，解得x≥2，
∵y=4x+1，
∴x=
，y-1 4
∴
≥2，解得y≥9．y-1 4
故答案为：y≥9．
| 完形填空。 | ||||
| There were no classes that afternoon, so Henry went to a 1 shop near his home. The shop sold many jackets. He looked 2 them and at last chose a very nice one. He 3 it on and then told the shopkeeper to put it into a 4 . At that time his friend Bruce came into the shop. They hadn't seen each other for a long time. They were so 5 to meet again that they forgot 6 else. Soon they were busy talking on and on happily. It was nearly six o'clock, 7 they decided to go and have dinner together. Henry picked up the bag, and walked 8 the door of the shop. The shopkeeper stopped them and asked Henry to pay for the 9 . Henry looked at him in surprise at first, but soon he remembered that he hadn't paid for it. He said 10 , gave him the money and then left the shop with his friend. | ||||
|