Which of the following expressions are polynomials and which are not?
`7x^(3)-3x^(2)+5sqrt(x)-11`

Which of the following expressions are polynomials and which are not? 3x^(3)-4/3x+5/2

Which of the following expressions are polynomials and which are not? 2x^(4)-3x^(3)+5/x-8

Which of the following expressions are polynomials and which are not? 3x^(2/3)-5x-4x^(3)+5/2

Which of the following expressions are polynomials and which are not? 3x^(2)y^(2)-5xy^(3)+12y^(4)

Which of the following expressions are polynomials and which are not? 5sqrt(y^(2))-3y^(3)-17

Which of the following expressions are polynomials and which are not? 5x^(2)y^(1/2)-3xy^(3)+19x^(2)y^(3)

Which of the following algebric expressions are polynomials? x^2-sqrt3x+4

Which of the following expressions are polynomials in one variable and which are not? State reasons for your answer. (i) 4x^2-3x+7 (ii) y^2+sqrt(2) (iii) 3sqrt(t)+tsqrt(2) (iv) y+2/y (v) x^(10)+y^3+t^(50)

Which of the following expressions are polynomials in one variable and which are not ? State reasons for your answer . (i) 4x^(2)-3x+7 (ii) y^(2)+sqrt(2) (iii) 3sqrt(t)+tsqrt(2) (iv) y=(2)/(y) (v) x^(10)+y^(3)+t^(50)

Which of the following algebric expressions are polynomials? x^3-2x+x^(-2)