Question

Can anyone help me with this ..
the choices are A. 99 or 67
B. 49 or 81

Answer 1

f(g(7)) = 99

g(7) = 7 + 4 = 11

f(11) = 9(11) = 99

g(f(5)) = 49

f(5) = 9(5) = 45

g(45) = 45 + 4 = 49

Hope this helps!