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【知识点扫描】1.设2~x=3~y=5~x>1,则2x,3y,5z从小到大顺序是____. 2.椭圆(x~2)/(16)+(y~2)/4=1上的点到直线x+2y-2~(1/2)= 0的最大距离是____. 3.函数y=(3x)/(x~2+4)值域为____.
【Knowledge Point Scan】 1. If 2 ~ x = 3 ~ y = 5 ~ x> 1, the order of 2x, 3y, 5z is ____. 2. Ellipse (x ~ 2) / (16) + The maximum distance from the point y = 2/4 = 1 to the straight line x + 2y-2 ~ (1/2) = 0 is ____ 3. Function y = (3x) / (x ~ 2 + 4) Domain is ____.