Question

Is `f(x) = 2 - 2/x^6` a polynomial?

Answer 1

It is not a polynomial in `x` in that it is not of the form:

`a_nx^n+a_(n-1)x^(n-1)+...+a_0`

for some non-negative integer `n` and constants `a_0,...,a_n`

It could be said to be a polynomial in `1/x`.