A supply company manufactures copy machines. The unit cost C(the cost in dollars to make each machine) depends on the number of machines made. If x machines are made, then the unit cost given by the function C(x) =x^2 -520x + 72,857. What is the minimum unit cost m

Given P is T, q is F and r is F.

Let us find p ↔ q first.

↔ is called bi-conditional operator and is true when p and q both are matched.

Since here p is T and q is F, p↔q is F. ( Since p and q are not matching)

~p v r = ~T v F = F v F = F

Hence (p↔q)→(~pvr) = F → F = T     (Since conditional operator → is false if and if first proposition is T and second proposition is F, for all other values it is T)