deletions | additions       diff --git a/beginproblem_a_You_a.tex b/beginproblem_a_You_a.tex  index 41da0c5..292de2f 100644  --- a/beginproblem_a_You_a.tex  +++ b/beginproblem_a_You_a.tex 
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(d) First, we will find the lower bound for $W(n) = 2^{n+1}-n-2$  \\  $2^{n+1}-n \geq 2^n - \frac{2^n}{2}$ which is true for $n > 2$  \\Since $\frac{2^n}{2}$ belongs to $\BigO(2^n), W(n) must as well since it is less than \frac{2^n}{2}$  \\*