Expression 6: left parenthesis, "t" left parenthesis, left parenthesis, "l" plus "r" , right parenthesis cos left parenthesis, "u" , right parenthesis minus "r" cos left parenthesis, left parenthesis, 1 plus StartFraction, "l" Over "r" , EndFraction , right parenthesis "u" , right parenthesis , right parenthesis plus left parenthesis, 1 minus "t" , right parenthesis left parenthesis, "l" plus "r" , right parenthesis cos left parenthesis, "u" , right parenthesis , "t" left parenthesis, left parenthesis, "l" plus "r" , right parenthesis sin left parenthesis, "u" , right parenthesis minus "r" sin left parenthesis, left parenthesis, 1 plus StartFraction, "l" Over "r" , EndFraction , right parenthesis "u" , right parenthesis , right parenthesis plus left parenthesis, 1 minus "t" , right parenthesis left parenthesis, "l" plus "r" , right parenthesis sin left parenthesis, "u" , right parenthesis , right parenthesistl+rcosu−rcos1+lru+1−tl+rcosu,tl+rsinu−rsin1+lru+1−tl+rsinu
00
domain t Minimum:
less than or equal to "t" less than or equal to≤t≤
11
domain t Maximum:
6
Expression 7: left parenthesis, "t" left parenthesis, left parenthesis, "l" plus "r" , right parenthesis cos left parenthesis, "u" , right parenthesis minus "r" cos left parenthesis, left parenthesis, 1 plus StartFraction, "l" Over "r" , EndFraction , right parenthesis "u" , right parenthesis , right parenthesis plus left parenthesis, 1 minus "t" , right parenthesis left parenthesis, "l" plus 2 "r" , right parenthesis cos left parenthesis, "u" , right parenthesis , "t" left parenthesis, left parenthesis, "l" plus "r" , right parenthesis sin left parenthesis, "u" , right parenthesis minus "r" sin left parenthesis, left parenthesis, 1 plus StartFraction, "l" Over "r" , EndFraction , right parenthesis "u" , right parenthesis , right parenthesis plus left parenthesis, 1 minus "t" , right parenthesis left parenthesis, "l" plus 2 "r" , right parenthesis sin left parenthesis, "u" , right parenthesis , right parenthesistl+rcosu−rcos1+lru+1−tl+2rcosu,tl+rsinu−rsin1+lru+1−tl+2rsinu
domain t Minimum: negative 5−5
less than or equal to "t" less than or equal to≤t≤
domain t Maximum: 55
7
Q: left parenthesis, left parenthesis, "l" plus 2 "r" , right parenthesis cos left parenthesis, "u" , right parenthesis , left parenthesis, "l" plus 2 "r" , right parenthesis sin left parenthesis, "u" , right parenthesis , right parenthesisl+2rcosu,l+2rsinu
Expression 9: left parenthesis, "t" left parenthesis, "l" plus 2 "r" , right parenthesis cos left parenthesis, "u" , right parenthesis , "t" left parenthesis, "l" plus 2 "r" , right parenthesis sin left parenthesis, "u" , right parenthesis , right parenthesistl+2rcosu,tl+2rsinu
00
domain t Minimum:
less than or equal to "t" less than or equal to≤t≤
11
domain t Maximum:
9
R: left parenthesis, left parenthesis, "l" plus "r" , right parenthesis cos left parenthesis, "u" , right parenthesis , left parenthesis, "l" plus "r" , right parenthesis sin left parenthesis, "u" , right parenthesis , right parenthesisl+rcosu,l+rsinu
Expression 11: left parenthesis, "x" minus left parenthesis, "l" plus "r" , right parenthesis cos left parenthesis, "u" , right parenthesis , right parenthesis squared plus left parenthesis, "y" minus left parenthesis, "l" plus "r" , right parenthesis sin left parenthesis, "u" , right parenthesis , right parenthesis squared equals "r" squaredx−l+rcosu2+y−l+rsinu2=r2