a_n = n^2 + 3 n

Frequently Asked Questions

• Write the first six terms of $a_{n} = n^{2} + 3 n$

  

  $$4,10,18,28,40,54$$

• Determine whether the sequence is arithmetic of $a_{n} = n^{2} + 3 n$

  

  $$\text{Not an arithmetic sequence}$$

• Determine whether the sequence is geometric of $a_{n} = n^{2} + 3 n$

  

  $$\text{Not a geometric sequence}$$

• Find the limit of $a_{n} = n^{2} + 3 n$

  

  $$+\infty$$

• Determine the convergence or divergence of $a_{n} = n^{2} + 3 n$

  

  $$\text{Divergent}$$