Expression 3: "f" left parenthesis, "x" , right parenthesis equals left brace, negative 7 less than or equal to "x" less than or equal to negative 2 : 1 fifth left parenthesis, "x" plus 2 , right parenthesis , negative 2 less than or equal to "x" less than or equal to 2 : StartRoot, 4 minus "x" squared , EndRoot , 2 less than or equal to "x" less than or equal to 3 : 3 left parenthesis, "x" minus 2 , right parenthesis , 3 less than or equal to "x" less than or equal to 5 : negative 2 left parenthesis, "x" minus 3 , right parenthesis plus 3 , right bracefx=−7≤x≤−2:15x+2,−2≤x≤2:4−x2,2≤x≤3:3x−2,3≤x≤5:−2x−3+3
3
"x" Subscript, 1 , Baselinex1
"f" left parenthesis, "x" Subscript, 1 , Baseline , right parenthesisfx1