B. The quadratic is x < 3and the linear is x > or = 3
! is factorial
it means multipliy all numbers from 1 to that number together
example
1!=1
2!=2*1
3!=3*2*1
etc
some things to note
7!*8=8!
4!*5*6=6!

so we can rewrite it as

=

=
Answer:
2/3 and -3 are correct hope it helps