Question

Which of the following expressions are po-
-lynomials is one varible and which are
not state reasons for your answer.
2x4+5
x2 - 2/3x
x3-9​

Answer 1

Answer:

2x4 + 5 is a polynomial in one variable and that variable is x.

x2 - 2/3x is not a polynomial at all..

x3 - 9 is a polynomial in one variable and that is x..