Expression 3: "f" left parenthesis, "x" , right parenthesis equals left brace, negative 4 less than or equal to "x" less than or equal to negative 2 : left parenthesis, "x" plus 4 , right parenthesis plus 1 , negative 2 less than or equal to "x" less than or equal to negative 1 : negative 3 left parenthesis, "x" plus 2 , right parenthesis plus 3 , negative 1 less than or equal to "x" less than or equal to 1 : negative StartRoot, 1 minus "x" squared , EndRoot , 1 less than or equal to "x" less than or equal to 3 : negative 1 half left parenthesis, "x" minus 1 , right parenthesis , right bracefx=−4≤x≤−2:x+4+1,−2≤x≤−1:−3x+2+3,−1≤x≤1:−1−x2,1≤x≤3:−12x−1
3
"x" Subscript, 1 , Baselinex1
"f" left parenthesis, "x" Subscript, 1 , Baseline , right parenthesisfx1