Er, well, I was using the function as an example of something which is f∈O(n^2) but not f∈Θ(n^2) under the assumption that when the OP reads the symbols "f∈O(n^

Er, well, I was using the function as an example of something which is f∈O(n^2) but not f∈Θ(n^2) under the assumption that when the OP reads the symbols "f∈O(n^2)" he's really thinking something more like f∈Θ(n^2).