Write an exponential function in the form y=ab^xy=ab x that goes through points (0, 18)(0,18) and (9, 9216)(9,9216).

Margaret is purchasing a house for $210,000 with a 15 year fixed rate mortgage at 4.75% interest she has made a 5% down payment the house is valued at 205,000 and the local tax rate is 3.5% homeowners insurance 600 per year what are her total monthly payment