Question

what is a polynomial function in standard form with zeroes 1,2,-3, and -1

Answer 1

If those are the zeroes then you know that
\[(x - 1)(x - 2)(x + 3)(x + 1) = 0\]
That means the function has to be
\[f(x) = (x - 1)(x - 2)(x + 3)(x + 1)\]
Multiply that out to get standard form. :D

Answer 2

thanks