Answer:
-11 - 13i.
Step-by-step explanation:
(12) — (23 + 13i)
= 12 - 23 - 13i
= -11 - 13i.
a + (-b) = 4 + (-2) = 4 - 2 = 2
A
when x=2,g(x)=2
g(x)=(2)²/2=2
which is correct.