Find All Pairs of Functions in This List That Are $n ^ { 2 } + \log n , 2 ^ { n } + 3 ^ { n } , 100 n ^ { 3 } + n ^ { 2 } , n ^ { 2 } + 2 ^ { n }$

Short Answer

Find all pairs of functions in this list that are of the same order: $n ^ { 2 } + \log n , 2 ^ { n } + 3 ^ { n } , 100 n ^ { 3 } + n ^ { 2 } , n ^ { 2 } + 2 ^ { n }$ , $n ^ { 2 } + n ^ { 3 } \cdot 3 n ^ { 3 } + 2 ^ { n }$