【简答题】(1)若函数y=f(2x+1)的定义域为[1,2],求f(x)的定义域. (2)已知函数f(x)的定义域为[- 1 2 , 3 2 ],求函数g(x)=f(3x)+f( x 3 )的定义域.
【简答题】已知f(x)的定义域为 [ 1,2 ] ,求f (2x-1)的定义域;
【简答题】Fill in the blanks without referring to the original text. Then check your answers against the original. After that, read the passage aloud until you can say it from memory. Everyone hopes that the Mc...
【简答题】Everyone knows that fish is good for health. 1 But it seems that many people don’t cook fish at hom e . Americans eat only about fif pounds of fish per person per year, but we eat twice as much fi...
【简答题】CPU 、 DOS的中文意义分别是 和 。
【简答题】已知函数f(x+1)的定义域为[-2,3],求f(x-2)的定义域.
【单选题】()又称轨道器,是带有机翼靠运载火箭发射进入太空轨道,返回地面时能在机场跑道水平着陆,并可重复使用的兼有载人、运货功能的航天器。
【多选题】Everyone knows that fish is good for health.1( ) But it seems that many people don’t cook fish at home.Americans eat only about fifteen pounds of fish per person per year, but we eat twice as much fis...
B.
The easiest is to steam it.
C.
This is how you can do it.
D.
It just requires a little knowledge.
E.
The fish will go bad within hours.
F.
When buying fish,you should first smell it.
G.
The fats in fish are thought to help prevent heart disease.