engineering recuitment AAI ATC Junior Executive 2025 Mock Test Series Mathematics Relations and Functions Relations and its properties
If f ∶ R → R and g ∶ R → R are two mappings defined as f(x) = 3x and g(x) = 3x2 + 9, then the value of (f + g) (2) is:
1
21
2
23
3
27
4
20