Step-by-step explanation:
(b) If
then
Note that
cancel out so we get

Solving for
we get

(c) I'm not sure what the problem is asking for but here goes. As r doubles,
becomes

The answer would be C.low
I’m not 100% sure so sorry if it’s wrong but I think it’s 3/2
336 is the amount of eggs that will be cooked
1+1+1+1×1×1+1+1+1+1+1+1+1+×1×1×1+1+1+1 = 14