Please answer the question attached with all working out

7. The temperature 7C of the water in a kettle rminutes after boiling is modelled by the equation T = 20 + 80e'0'5'. (i) What is the initial temperature of the water? [1] (ii) Find the temperature of the water after 5 minutes. [2] (iii) Find the time at which the temperature of the water is 30C. [3] (iv) Find the initial rate of cooling, and the rate of cooling after 2 minutes. [3] (V) What will be the long-term temperature of the water? [1]