Expression 1: "f" left parenthesis, "x" , right parenthesis equals "e" Superscript, "x" , Baseline times cosine left parenthesis, "x" , right parenthesis times sine left parenthesis, "x" squared , right parenthesis left brace, negative 3 less than or equal to "x" less than or equal to 3 , right bracefx=ex·cosx·sinx2−3≤x≤3
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Expression 2: "x" squared plus "x" cubed minus 1 third "x" to the 5th powerx2+x3−13x5