Question

Explain why every polynomial is also a rational expression?

Answer 1

A polynomial `f(x)` is equivalent to the rational expression `f(x)/1`

Explanation:

The expression:

`1`

is a polynomial of degree `0`

So for any polynomial `f(x)`, the expression:

`f(x)/1`

is a rational expression, being a division of one polynomial by another.

But `f(x)/1` is just another way of writing our polynomial `f(x)`.