Genesis is using her savings account to pay standard bills over 6 months without replenishing the funds. Use the table to write a linear function that models her spending. Month Savings Account Balance in dollars 0 1,500 2 1,200 4 900 6 600 f(x) = 150x + 600 f(x) = 150x + 1,500 f of x equals one over 150 times x plus 600 f of x equals negative one over 150 times x plus 1,500