a) The minimum point on the graph of the function y = f(x) is (-2,-4). What is the minimum point on the graph of the function y = f(x) + 7

b) If the graph of the function y = 2^x is reflected over the x-axis, the equation of the reflection is:_______

c) Function y = f(x) has been shifted 3 units to the right and 5 units down. Write an equation to represent this changes.