表达式18: "m" Subscript, 1 , Baseline equals StartFraction, "B" Subscript, 2 , Baseline minus "A" Subscript, 2 , Baseline Over "A" Subscript, 1 , Baseline minus "C" Subscript, 1 , Baseline , EndFractionm1=B2−A2A1−C1
equals=
negative 0.7 5−0.75
18
表达式19: "f" left parenthesis, "x" , right parenthesis equals "m" Subscript, 1 , Baseline left parenthesis, "x" minus "C" Subscript, 1 , Baseline , right parenthesis plus "C" Subscript, 2 , Baselinefx=m1x−C1+C2
19
表达式20: "g" left parenthesis, "x" , right parenthesis equals negative StartFraction, 1 Over "m" Subscript, 1 , Baseline , EndFraction "x"gx=−1m1x
20
表达式21: "f" left parenthesis, "P" Subscript, 1 , Baseline , right parenthesis tilde "g" left parenthesis, "P" Subscript, 1 , Baseline , right parenthesisfP1~gP1
21
表达式22: "P" Subscript, 2 , Baseline equals "g" left parenthesis, "P" Subscript, 1 , Baseline , right parenthesisP2=gP1
equals=
0.80.8
22
Graphs
对学生隐藏该文件夹。
23
表达式24: left parenthesis, "R" cos "t" , "R" sin "t" , right parenthesisRcost,Rsint
00
定义域t最小值：
less than or equal to "t" less than or equal to≤t≤
定义域t最大值： 360360
24
表达式25: polygon left parenthesis, "A" , "B" , "C" , right parenthesispolygonA,B,C
25
表达式26: polygon left parenthesis, "A" , "O" , right parenthesispolygonA,O
26
表达式27: polygon left parenthesis, "B" , "O" , right parenthesispolygonB,O
27
表达式28: polygon left parenthesis, "P" , "O" , right parenthesispolygonP,O
28
表达式29: left parenthesis, "R" Subscript, 1 , Baseline cos "t" , "R" Subscript, 1 , Baseline sin "t" , right parenthesisR1cost,R1sint
00
定义域t最小值：
less than or equal to "t" less than or equal to≤t≤
