2. (14 points) is 2n+1 = 0(2")? Is 22-012")? Hint: 2n+1-242", 2?=(22)"-4" 3. (30 Points) Using the informal definition for the o notation, select the correcto notation for the following expressions: a) 2(gn) + 4n+ 3n'lgn b) (6n'ign + 4) (10+n) c) In +Ign)(n+1)/(n+ n) d) Blen Hint droplow order terms and leading coefficient