Question

A. Which is Which?
Determine whether each of the following is a polynomial expression or not. Write P if it is a polynomial and NP if it is not.

1.
$\sqrt{x } + 4$
2. 12xyz²
3.x^2/3+2x^1/4+2
4. 1/2x³+2/3x-3/x²
5. x³+5x-1
6. 5x³-4x√2 +x
7. 4d^-2 -3​

Answer 1

Answer:

1 and 6 are NP

rest all are P