Find g(x), where g(x) is the translation 10 units up of f(x) = x? Write your answer in the form a(x - h)? + k, where a, h, and k are integers.

Atorch and a battery cost 2.50 altogether. the torch costs 1.50 more than the battery. what fraction of the total price is the torch? give your answer in its simplest form.