a) f(x+2) and f(x) + 2
b) f(2x), f(1/2x) and 2f(x)
c) f(-x) and -f(-x)
d) extend the graph of f(x) to [-4,4] so that is is an even function
e) extend the graph of f(x) to [-4,4] so that is is an odd function.
i don't know what f and e are asking for?
