10
Which of the following is the standard form of the polynomial function
PR.A.1 f(x) = (x + 1) (x+3)(x-3)?
A. f(x) = x^3 --x^2+9x-9
B. f(x) = x^3 +x^2-9x+9
C. f(x)=x^3 +x^2-9x-9
D. f(x) = x^3 -x^2+ 9x-9