Question

Which of the following is a
polynomial?
O 4/X + 9
O √x+9
O 2/5x - 7
O √7x^2 + 1/3x +5/9​

Answer 1

Answer:

D

Step-by-step explanation:

please mark as brainliest answer

Answer 2

Answer:

Polynomials are sums of terms of the form k⋅xⁿ, where k is any number and n is a positive integer. For example, 3x+2x-5 is a polynomial. Introduction to polynomials.

So, option d is correct.