what is f(a + 2)?
do you have to expand it?
i believe so, it says f(x)=(3+x) , what is f(a+2)
(x-3)
f(x)=(3+x)
f(a + 2)=(3+a+2)
(a+2-3)
f(a + 2)=(5+a)
(a-1)
