Expression 4: "f" Subscript, 1 , Baseline left parenthesis, "x" , right parenthesis equals "x" squared minus 10 "x" plus 16 left brace, 0 less than or equal to "x" less than or equal to 12 , right bracef1x=x2−10x+160≤x≤12
4
Expression 5: "y" equals "f" Subscript, 1 , Baseline left parenthesis, "x" , right parenthesisy=f1x
5
"x"x
"f" Subscript, 1 , Baseline left parenthesis, "x" , right parenthesisf1x