Answer: Jason will record 6 songs on day 3.
Step-by-step explanation: We can tell from the given information that day x 2 = amount of songs he records, as proven below.
Day 1: 1 x 2 = 2
Day 2: 2 x 2 = 4
Day 3: 3 x 2 = 6
Hope this was helpful! Let me know if ou have any further questions. :)