Given that y=e5xy = e^{5x}y=e5x, find dydx\displaystyle \frac{dy}{dx}dxdy.
Select the correct answer.
5e5x5e^{5x}5e5x
e5xe^{5x}e5x
5e4x5e^{4x}5e4x
15e5x\frac{1}{5}e^{5x}51e5x