Question

explanation also ............
please ..........​

Answer 1

1= one variable is involved in given polynomial which is 'x' . therefore it is a polynomial in one variable 'x'.

2= same as the first one

3 =no it can I not observed the exponent variable in terms which is not a whole. Therefore is not a polynomial.

4 =is not a polynomial

5 it is not a polynomial because I seenn many integers in this term

hope it help u