Answer:
The answer is 16
Explanation:
According to the Boolean Combinational logic the possible number of switching functions with two variables, those being X and Y, is 16.
so, we can exemplify it with this equation:
N = 2²ⁿ → 2²⁽²⁾ = 2⁴ = 16 (n = 2 because of the number of variables)
