Christina has $103 earned from babysitting saved at home, and the amount is modeled by the function h(x) = 103. she reads about a bank that has savings accounts that accrue interest according to the function s(x) = (1.03)x−1. explain how christina can combine the two functions to model the total amount of money she will have in her bank account as interest accrues after she deposits her $103. justify your reasoning.