表达式6: "l" left parenthesis, "t" , right parenthesis equals StartFraction, "k" left parenthesis, "t" , right parenthesis Over "j" left parenthesis, "t" , right parenthesis , EndFractionlt=ktjt
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表达式7: "p" left parenthesis, "x" , right parenthesis equals arc tangent left parenthesis, "l" left parenthesis, "x" , right parenthesis , right parenthesis plus StartFraction, pi Over 2 , EndFractionpx=arctanlx+π2
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表达式8: "q" left parenthesis, "x" , right parenthesis equals arc tangent left parenthesis, "l" left parenthesis, "x" , right parenthesis , right parenthesis minus StartFraction, pi Over 2 , EndFractionqx=arctanlx−π2
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表达式9: left parenthesis, "m" left parenthesis, "t" , right parenthesis cos left parenthesis, "p" left parenthesis, "t" , right parenthesis , right parenthesis plus "f" left parenthesis, "t" , right parenthesis , "m" left parenthesis, "t" , right parenthesis sin left parenthesis, "p" left parenthesis, "t" , right parenthesis , right parenthesis plus "g" left parenthesis, "t" , right parenthesis , right parenthesismtcospt+ft,mtsinpt+gt
定义域t最小值： negative 8−8
less than or equal to "t" less than or equal to≤t≤
定义域t最大值： 88
9
表达式10: left parenthesis, "m" left parenthesis, "t" , right parenthesis cos left parenthesis, "q" left parenthesis, "t" , right parenthesis , right parenthesis plus "f" left parenthesis, "t" , right parenthesis , "m" left parenthesis, "t" , right parenthesis sin left parenthesis, "q" left parenthesis, "t" , right parenthesis , right parenthesis plus "g" left parenthesis, "t" , right parenthesis , right parenthesismtcosqt+ft,mtsinqt+gt
定义域t最小值： negative 8−8
less than or equal to "t" less than or equal to≤t≤
定义域t最大值： 88
10
表达式11: "m" left parenthesis, "x" , right parenthesis equals StartFraction, 1.5 Superscript, "x" , Baseline sin left parenthesis, 10 "x" , right parenthesis Over 10 , EndFractionmx=1.5xsin10x10
