An 8x1 multiplexer has inputs A, B, and C connected to the selection inputs s2, s1, and s0, respectively. The data inputs, I0 through I7, are as follows:
I1 = I2 = I7 = 0
I3 = I5 = 1
I0 = I4 = D
I6 = D'
Determine the Boolean function that the multiplexer implements.