Answer:
The answer to your question is h (g(n)) = 3n² - 12n + 1
Step-by-step explanation:
h(n) = 3n + 1
g(n) = n² - 4n
Find (hg)(n)
h(g(n)) = 3( n² - 4n) + 1 substitution
h (g(n)) = 3n² - 12n + 1 expand