Expression 2: sine left parenthesis, "x" , right parenthesis left brace, negative 7.3 less than or equal to "x" less than or equal to 27.3 1 , right bracesinx−7.3≤x≤27.31
2
Expression 3: sine left parenthesis, "x" , right parenthesis plus 10 left brace, negative 5.1 6 less than or equal to "x" less than or equal to 25.6 5 , right bracesinx+10−5.16≤x≤25.65
3
Expression 4: sine left parenthesis, "x" , right parenthesis minus 10 left brace, negative 5.1 6 less than or equal to "x" less than or equal to 25.6 5 , right bracesinx−10−5.16≤x≤25.65