Question

A real valued function f(x) satisfies the functional
equation 4f(x) + 5f(6 - x) = x2 + 5
Then the value of 9f(2) is equal to
Divisio
Medeal
(1) 79
(2) 69
(3) 89
(4) 99​

Answer 1

Step-by-step explanation:

79is answer of this question