Question

is
$\frac{1}{3 {x}^{ - 2} } + 2x + 3$
a polynomial

Answer 1

$\frac{1}{3 {x}^{ - 2} } + 2x + 3 \\ = \frac{1}{3} {x}^{2} + 2x +3 \\ yes \: it \: is \: a \: polynomial \: of \: degree \: two$

Answer 2

yes it is a polynomial...