35 points! Which of the following polynomials has an even degree and a positive leading coefficient?

35 Points Which Of The Following Polynomials Has An Even Degree And A Positive Leading Coefficient class=
35 Points Which Of The Following Polynomials Has An Even Degree And A Positive Leading Coefficient class=
35 Points Which Of The Following Polynomials Has An Even Degree And A Positive Leading Coefficient class=
35 Points Which Of The Following Polynomials Has An Even Degree And A Positive Leading Coefficient class=