Question 4A small town had 425 homes in 2018, and by 2020, this had grown to 525.(a) Assuming the number of homes is growing linearly, find the growth rate d.(b) Write a linear model of the form Pt=P0+dt to describe the number of homes in this town from 2018 onward.Pt = (c) Predict how many homes there will be in this town in 2026. homes(d) When do you expect the number of homes to exceed 675? Give your answer as a calendar year (ex: 2020).During the year