Question

Is the function a polynomial​ function? f(x)=4x-5x^2?

Answer 1

www.mathcentre.ac.uk/resources/uploaded/mc-ty-polynomial-2009-1.pdff(x)=4x3. − 3x. 2 + 2 is a polynomial of degree 3, as 3 is the highest power of x in the formula. This is called a cubic polynomial, or just a cubic.