106k views
2 votes
Find f(g(x)) if
f(x) = x² + 2x
g(x) = x - 9

1 Answer

3 votes

Answer: f(g(x)) = (x - 9)² + 2(x - 9)

= x² - 18x + 81 + 2x - 18

= x² - 16x + 81

Explanation:

User Nigel Fds
by
8.6k points