Expression 6: left parenthesis, "a" plus StartFraction, floor left parenthesis, "t" times "n" , right parenthesis times left parenthesis, "b" minus "a" , right parenthesis Over "n" , EndFraction plus StartFraction, left parenthesis, "b" minus "a" , right parenthesis Over "n" , EndFraction , left parenthesis, "t" times "n" minus floor left parenthesis, "t" times "n" , right parenthesis , right parenthesis times left parenthesis, "f" left parenthesis, "a" plus StartFraction, floor left parenthesis, "t" times "n" , right parenthesis times left parenthesis, "b" minus "a" , right parenthesis Over "n" , EndFraction plus StartFraction, left parenthesis, "b" minus "a" , right parenthesis Over 2 "n" , EndFraction , right parenthesis , right parenthesis , right parenthesisa+floort·n·b−an+b−an,t·n−floort·n·fa+floort·n·b−an+b−a2n
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, "a" plus StartFraction, left parenthesis, "t" times "n" , right parenthesis times left parenthesis, "b" minus "a" , right parenthesis Over "n" , EndFraction , left parenthesis, "f" left parenthesis, "a" plus StartFraction, floor left parenthesis, "t" times "n" , right parenthesis times left parenthesis, "b" minus "a" , right parenthesis Over "n" , EndFraction plus StartFraction, left parenthesis, "b" minus "a" , right parenthesis Over 2 "n" , EndFraction , right parenthesis , right parenthesis , right parenthesisa+t·n·b−an,fa+floort·n·b−an+b−a2n
00
domain t Minimum:
less than or equal to "t" less than or equal to≤t≤
11
domain t Maximum:
7
Expression 8: "n" equals floor left parenthesis, "m" , right parenthesisn=floorm