Answer:
A -4n^2-2n + 3
Step-by-step explanation:
let's simplify this by making h(n) = u
this means g(h(n)) = g(u)
u = h(n) = -2n^2 - n
g(h(n)) = g(u) = 2u + 3
now plug h(n)) in wherever there is u
2(-2n^2-n)+3
-4n^2-2n + 3
