f(5) = 15 and g(x)= f(x+2)-5. Then g(3) = ?

A 11

B 10

C 101

D 120

Correct Answer: Option B

দেয়া আছে, f(5) = 15 এবং g(x)= f(x+2)-5 .

∴ g(3) = f(3+2) - 5 = f(5) - 5 = 15-5 = 10 [ মান বসিয়ে ]