#### Question

a.

x'y'z' + w'xy' + wy'z + xz

b.

w'y'z' + wx'y' + xz

c.

w'y'z' + wx'y' + xyz + xy'z

d.

x'y'z' + wx'y' + w'y

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###### Q. Let f(w, x, y, z) = ∑(0, 4, 5, 7, 8, 9, 13, 15). Which of the following expressions are NOT equivalent to f?

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