Use K-map to find a minimal expansion as Boolean products of each of these functions. Also draw the logic circuit for problem a) and b).
a) x'yz +x'y'z [3 points]
b) xyz + xyz' + x'yz + x'yz' [3 points]
c) w'xy' + wxy + w'yz + wy'z (notice that it has four variables)