(A) Given That $f(x)=x^{6}-9 x^{5}+28 x^{4}-34 x^{3}+40 x-32$ Has 2 as a Zero of Multiplicity 2,4 as a as a Zero

Essay

(a) Given that $f(x)=x^{6}-9 x^{5}+28 x^{4}-34 x^{3}+40 x-32$ has 2 as a zero of multiplicity 2,4 as a single zero, and -1 as a single zero, find all other zeros of $f$ .
(b) Use the information from part (a) to sketch the graph of $f$ by hand. Give an end behavior diagram.