Expression 3: "f" Subscript, "a" , Baseline left parenthesis, "x" , right parenthesis equals StartFraction, 73 Over 60 , EndFraction left parenthesis, "x" minus left parenthesis, "x" Subscript, "a" , Baseline minus "x" Subscript, "b" , Baseline , right parenthesis , right parenthesisfax=7360x−xa−xb
3
Expression 4: "f" Subscript, "b" , Baseline left parenthesis, "x" , right parenthesis equals StartFraction, 18 Over 60 , EndFraction "x" plus 27fbx=1860x+27
4
Fahrer B: left parenthesis, 0 , 27 , right parenthesis0,27
Label:
5
Fahrer A: left parenthesis, "x" Subscript, "a" , Baseline minus "x" Subscript, "b" , Baseline , 0 , right parenthesisxa−xb,0