Question 1 Find f(x) if y = f(x ) satisfies dy = 108yall and the y-intercept of the curve y = f(@ ) is 4. f( x) =. Question 6 Let y(t) represent your bank account balance, in dollars, after t years. Suppose you start with 530000 in the account. Each year the account earns 3% interest, and you withdraw $5000. Write the differential equation modeling this situation. dy dt y(0) =I IQuestion 9 'r