Expression 2: "g" left parenthesis, "x" , right parenthesis equals "f" left parenthesis, "x" , right parenthesis left brace, "x" less than or equal to "t" , right brace Has graph. To audio trace, press ALT+T.gx=fxx≤t
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Expression 3: "g" left parenthesis, "x" , right parenthesis equals negative "f" left parenthesis, "x" minus "t" , right parenthesis plus "f" left parenthesis, "t" , right parenthesis left brace, "x" greater than or equal to "t" , right brace Has graph. To audio trace, press ALT+T.gx=−fx−t+ftx≥t