Question

4x^(3.5) is this a polynomial? and what is the domain range.

Answer 1

\[4x^(3.5) =4\left( \sqrt{x} \right)^{7}\]
\[domain is [0,\infty)\]
Because it is defined if x>=0

Answer 2

\[range is [0,\infty)\]

Answer 3

okay so the above is the answer to the problem

Answer 4

it is not a polynomial ?