Question

which of the following are polynomials?
a. 3x^3+7y+2x^2y^2
b. 1/4x^2-2/3y^4-1/2z^x
c. 3/8y^2squareroot of z
d. 8y^4+3x^3-5z-4
e. 2x^3-1/6x^2+1/5y

i think its d. can anyone confirm?

Answer 1

thank you in advanced

Answer 2

yes D is correct polynomials have a degree or a power n that is a natural number all the others are rational functions with surds and x as denominator

Answer 3

Thanks!!!

Answer 4

pleasure