Find the solution to the initial value problem ( /d²y/dt² - 8/dy/dt + 16y = 0 ), (y(0) = 5), (y'(0) = 5):
a. ( y(t) = 5e^4t )
b. ( y(t) = 5e^2t )
c. ( y(t) = 5e^-4t )
d. ( y(t) = 5e^-2t )