表达式9: 0 less than or equal to "y" less than or equal to 2 StartRoot, StartFraction, "a" minus left parenthesis, "x" plus StartRoot, "a" , EndRoot , right parenthesis squared Over "a" left parenthesis, "b" plus "m" "x" plus "m" StartRoot, "a" , EndRoot , right parenthesis , EndFraction , EndRoot left brace, negative "R" less than or equal to "x" , right brace0≤y≤2a−x+a2ab+mx+ma−R≤x
9
表达式10: "f" left parenthesis, "x" , right parenthesis equals 2 StartRoot, StartFraction, "a" minus left parenthesis, "x" plus StartRoot, "a" , EndRoot , right parenthesis squared Over "a" left parenthesis, "b" plus "m" "x" plus "m" StartRoot, "a" , EndRoot , right parenthesis , EndFraction , EndRoot left brace, negative "R" less than or equal to "x" , right bracefx=2a−x+a2ab+mx+ma−R≤x
10
表达式11: left parenthesis, "R" cos "t" , "R" sin "t" , right parenthesisRcost,Rsint
定义域t最小值： 9090
less than or equal to "t" less than or equal to≤t≤
定义域t最大值： 180180
11
表达式12: left parenthesis, negative "R" "t" , 0 , right parenthesis−Rt,0
00
定义域t最小值：
less than or equal to "t" less than or equal to≤t≤
11
定义域t最大值：
12
Colours and Point
对学生隐藏该文件夹。
13
17
技术支持
技术支持
Start black, "y" equals 2 StartRoot, StartFraction, "a" minus left parenthesis, "x" plus StartRoot, "a" , EndRoot , right parenthesis squared Over "a" left parenthesis, "b" plus "m" "x" plus "m" StartRoot, "a" , EndRoot , right parenthesis , EndFraction , EndRoot End blacky=2a−x+a2ab+mx+ma
