What is the exponential function that satisfies the conditions f(3) = 1/64 and f(-1) = 64?
a) f(x) = (1/4) * 4ˣ
b) f(x) = (1/2) * 2ˣ
c) f(x) = (1/8) * 8ˣ
d) f(x) = (1/16) * 16ˣ