Please write out the answer.

The ones on the previous posts don't work. Please do not copy and paste.

2. For this problem, you need to base your answer on the definitions of the asymptotic notations. 1. (10 points) Show 8n3logn+14n2=(n3logn ) 2. (10 points) If f(n)=O(g(n)), can we conclude If 2f(n)=O(2g(n)) ?, Justify your