The function y $=($x $4)2($x $7)($x $+3)3$ is negative on the intervals

Question $5$ options:

a$)$

x $(,3)$ and x $(7,)$

b$)$

x $(3,4)$ and x $(7,)$

c$)$

x $(3,4)$ and x $(4,7)$

d$)$

x $(,3)$ and x $(4,7)$