Question
Mathematics Question on Relations and functions
Let f(x) = x2 and g(x)=9+x. Then the value of (f∘g−g∘f)(4) is equal to
A
6
B
√6
C
√8
D
8
E
5
Answer
8
Explanation
Solution
The correct option is (D): 8
Let f(x) = x2 and g(x)=9+x. Then the value of (f∘g−g∘f)(4) is equal to
6
√6
√8
8
5
8
The correct option is (D): 8