Use notation definitions to show that a) 5n? = O(n) b) n? + 10n = O(n) c) n= O(n?) %3D d) n = 2(n) 8 e) n+ 0(5n?) f) 6n? + n+ S2(n) = O(b"), b > a> 1 h) log(n)= 0(n) g) an =