Expression 6: "L" Subscript, 1 , Baseline left parenthesis, "x" , right parenthesis equals StartFraction, left parenthesis, "x" minus 1 , right parenthesis left parenthesis, "x" minus 4 , right parenthesis Over left parenthesis, 2 minus 1 , right parenthesis left parenthesis, 2 minus 4 , right parenthesis , EndFractionL1x=x−1x−42−12−4
6
Expression 7: "L" Subscript, 2 , Baseline left parenthesis, "x" , right parenthesis equals StartFraction, left parenthesis, "x" minus 1 , right parenthesis left parenthesis, "x" minus 2 , right parenthesis Over left parenthesis, 4 minus 1 , right parenthesis left parenthesis, 4 minus 2 , right parenthesis , EndFractionL2x=x−1x−24−14−2
7
(x0,y0) left parenthesis, 1 , "y" Subscript, 0 , Baseline , right parenthesis1,y0
Label:
8
(x1, y1) left parenthesis, 2 , "y" Subscript, 1 , Baseline , right parenthesis2,y1
Label:
9
(x2, y2) left parenthesis, 4 , "y" Subscript, 2 , Baseline , right parenthesis4,y2