tolong jawab dengan benar ya
1. f (g (x)) = f (x² + 3x)
= x² + 3x + 2
2. g (f (x)) = g (x + 2)
= (x+2)² + 3 (x+2)
= x² + 2x + 4 + 3x + 6
= x² + 5x + 10
3. f (g (7)) = x² + 3x + 2
= 7² + 3(2) + 2
= 49 + 6 + 2
= 57
4. g (f (9)) = x² + 5x + 10
= 9² + 5(9) + 10
= 18 + 45 + 10
= 73
[answer.2.content]
