State which of the following are polynomial and which are not ? Give resons.
(i) `2x^(3)`

State which of the following are polynomial and which are not ? Give resons. (iv) m^(2)-sqrt(2)m+2

State which of the following are polynomial and which are not ? Give resons. (ii) 1/(x-1)

State which of the following are polynomial and which are not ? Give resons. (iii) 4z^(2) + 1/7

State which of the following are polynomial and which are not ? Give resons. (v) p^(-2) + 1

State which of the following are mathematical statements and which are not? Give reason. x+7 =18

State which of the following are mathematical statements and which are not? Give reason. For each counting number x, x +0=x

State which of the following are mathematical statements and which are not? Give reason. Today is not Sunday .

State which of the following are mathematical statements and which are not? Give reason. What time is it ?

Which of the following expressions are polynomials? Which are not? Give Reasons. 1/x+1

Which of the following expressions are polynomials? Which are not? Give Reasons. Y^2-8