Expression 3: "f" Subscript, 2 , Baseline left parenthesis, "x" , right parenthesis equals negative sine left parenthesis, "x" , right parenthesis minus cosine left parenthesis, "x" , right parenthesis plus "e" Superscript, "x" , Baseline plus "x" squaredf2x=−sinx−cosx+ex+x2
3
Expression 4: "f" Subscript, 3 , Baseline left parenthesis, "x" , right parenthesis equals negative cosine left parenthesis, "x" , right parenthesis plus sine left parenthesis, "x" , right parenthesis plus "e" Superscript, "x" , Baseline plus 2 "x"f3x=−cosx+sinx+ex+2x
4
Expression 5: "f" Subscript, 4 , Baseline left parenthesis, "x" , right parenthesis equals sine left parenthesis, "x" , right parenthesis plus cosine left parenthesis, "x" , right parenthesis plus "e" Superscript, "x" , Baseline plus 2f4x=sinx+cosx+ex+2
5
Expression 6: "T" Subscript, 4 "f" , Baseline left parenthesis, "x" , right parenthesis equals 2 plus 1 sixth "x" to the 4th power Has graph. To audio trace, press ALT+T.T4fx=2+16x4