Expression 3: "A" left parenthesis, "x" , "y" , "t" , right parenthesis equals StartFraction, pi Over 7 , EndFraction "x" plus "y" minus "t"Ax,y,t=π7x+y−t
3
Expression 4: "R" left parenthesis, "x" , right parenthesis equals 2exponent left parenthesis, "x" plus 2 , right parenthesisRx=2expx+2
4
Expression 5: "R" left parenthesis, "t" , right parenthesis "e" Superscript, "i" "A" left parenthesis, "L" , "t" , "T" , right parenthesis , BaselineRteiAL,t,T
domain t Minimum: negative pi−π
less than or equal to "t" less than or equal to≤t≤
domain t Maximum: piπ
5
Expression 6: "R" left parenthesis, "t" , right parenthesis "e" Superscript, "i" "A" left parenthesis, "L" , negative "t" , "T" , right parenthesis , BaselineRteiAL,−t,T
domain t Minimum: negative pi−π
less than or equal to "t" less than or equal to≤t≤