THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:

Given $A=\{E_3,E_4,E_8,E_{10}\}$ and $B=\{E_3,E_4,E_6,E_9\}$

What is the union of A and $B?$

Select one:

A$.E_3,E_4,E_6,E_8,E_9,E_{10}$

B$.E_3,E_4$

C$.E_6,E_8,E_9,E_{10}$

D$.E_1,E_2,E_5,E_7$