Find the equation of the exponential function that goes through the points (0,4) and (4,0.25). Do not include f(x)= in your answer.
a) (y = 4 * (0.5)ˣ)
b) (y = 4 * e⁻0.5x))
c) (y = 4 * (2)⁻x))
d) (y = 4 * (0.25)ˣ)