Question

Let f(w,x,y,z) = ∑(0, 4, 5, 7, 8, 9, 13, 15). Which of the following expressions are NOT equivalent to f?
(A) x'y'z'+w'xy'+wy'z +xz
(B) w'y'z'+wx'y'+xz
(C) w'x'y'z'+wx'y'+xyz + xy'z
(D) x'y'z'+x'y'+w'y
(E) x'y'z'+wx'y'+w'y
Choose the correct answer from the options given below:

• A. (D) and (E) only
• B. (A) and (B) only
• C. (A) and (C) only
• D. (A), (B) and (C) only

Answer 1

Answer: (A)

(D) and (E) only

Answer 2

The correct answer is(A):(D) and (E) only