Expression 2: "B" Subscript, "e" "z" "i" "e" "r" , Baseline left parenthesis, "x" , right parenthesis equals left brace, "k" less than or equal to 0 : "x" left bracket, 1 , right bracket , "B" Subscript, "e" "z" "i" "e" "r" , Baseline left parenthesis, "t" "x" left bracket, 2... , right bracket plus left parenthesis, 1 minus "t" , right parenthesis "x" left bracket, 1... "k" , right bracket , right parenthesis , right brace with "k" equals "x" .count minus 1Bezierx=k≤0:x1,Beziertx2...+1−tx1...kwithk=x.count−1
2
Expression 3: "B" Subscript, "e" "z" "i" "e" "r" , Baseline left parenthesis, left parenthesis, "x" Subscript, 1 , Baseline , "y" Subscript, 1 , Baseline , right parenthesis , right parenthesisBezierx1,y1
00
domain t Minimum:
less than or equal to "t" less than or equal to≤t≤