A, S, M and Dare functions of x and y, and they are defined as follows:
$A(x, y) + x + y$
$S(x, y) = x - y$
$M(x, y) = xy$
$D(x, y) = x/y$,
where $y \neq 0$.
What is the value of $M(M(A(M(x, y),S(y,x)), x),A(y, x))$ for $x = 2, y = 3$
- $50$
- $140$
- $25$
- $70$