What transformation produce the graph of g(x)=5^(-x+2) from the graph of the parent function f(x)=5^x? select all that apply.
a. reflection over the x-axis
b. reflection over the y-axis
c. horizontal shift to the left 2 units
d. horizontal shift to the right 2 units
e. vertical shift up 2 units
f. vertical shift down 2 units.