a)true
b)false//////it should not contain tighest upper bound...if it is o(n^52)...it would have been true
c) true
d)true
e)false///same reason as (b)
f) false/////it should be big-oh
g) true
h) false////it should be omega
i)true
j)true
k)false////it should be big-oh
l)false ////both are equal using log properties...therefore theta should be there