Answer the following questions using the graph below: -2 a) Does this graph show exponential growth or decay? Explain how you know. (2 marks) b) What are the coordinates of the y-intercept. (1 mark) c) Determine the value of y when x = 2. (1 mark) d) Determine the value of x when y = 1. (1 mark) e) The Exponential equation for the relation in the graph is: y = 2(2) * Algebraically calculate the value of y when x is 7. Show all work. (2 marks)