Question

Which of the following expressions is a polynomial?

A. f(x)=4/x-11x^2
B. 4x^3-13x^2+5x
C. 5x^3+7x^4-1/2x
D. -3x^4+8x^2-2√x+1
...?

Answer 1

The answer is c.

F(x)=5x^3+7x^4-1/2x

Answer 2

B. 4x^3-13x^2+5x is the only and unique answer