Step-by-step explanation:Here's how to find h(n) + g(n): 1. Write out the functions: - h(n) = n³ + 4n- g(n) = 4n + 52. Add the functions together: - h(n) + g(n) = (n³ + 4n) + (4n + 5)3. Combine like terms: - h(n) + g(n) = n³ + 8n + 5Answer:Therefore, h(n) + g(n) = n³ + 8n + 5i hope it can help;)