Expression 3: "f" left parenthesis, "x" , right parenthesis equals left brace, negative 5 less than or equal to "x" less than or equal to negative 3 : negative left parenthesis, "x" plus 5 , right parenthesis plus 2 , negative 3 less than or equal to "x" less than or equal to 0 : 4 thirds left parenthesis, "x" , right parenthesis plus 4 , 0 less than or equal to "x" less than or equal to 4 : negative 2 "x" plus 4 , right brace Has graph. To audio trace, press ALT+T.fx=−5≤x≤−3:−x+5+2,−3≤x≤0:43x+4,0≤x≤4:−2x+4
3
"x" Subscript, 1 , Baselinex1
"f" left parenthesis, "x" Subscript, 1 , Baseline , right parenthesis Has graph. To audio trace, press ALT+T.fx1