Find the equation of the tangent line to the graph of the function at the given point. The function is f(x) = e^(-x)ln(x) and the point is (1,0). Which of the following options correctly represents the equation of the tangent line?

A) y = -x + 1
B) y = -x
C) y = x - 1
D) y = x
Find the derivative of the function f(x) = x7^(x).