If f(x)=3(x+5)+(4/x), what is f(a+2)
A. 3(a+2)+(4/a)+2
B.3(a+7)+(4/a+2)
C.3(f(a)+5)+(4/f(a)+2)
\(f(a+2) = 3((a+2)+5) + \dfrac{4}{a+2} = 3(a+7) + \dfrac{4}{a+2} \\ \\ \text{i.e. choice B}\)
