Answer:
f(x) + g(x) = x² - 10x + 9
General Formulas and Concepts:
Algebra I
Explanation:
Step 1: Define
f(x) = x² - 11x + 18
g(x) = x - 9
Step 2: Find f(x) + g(x)
- Substitute: f(x) + g(x) = x² - 11x + 18 + x - 9
- Combine like terms (x): f(x) + g(x) = x² - 10x + 9