3.1.4 Study what happens in question 3.1:3. What do you observe about the number inside the brackets? 3.1 5 Now use your investigation in 3.1,3 and your answer in 3,1.4 to write the rule of the above pattern algebraically for the no term using the format below. Term n. 3.2 Repeat what you did from 3,1.1 to 3.1.5 to write the rule of the pattern below (51 algebraically. 7 9 11 Constant Difference= Term 1: Term 2: =9 Term 3: =11 Tomm n 93. The numbers in the sequence 7. 11. 15. 19, 23, Increase by four. The numbers in the sequence 1. 10. 19, 28. 37. ..increase by nine. The number 19 is in both sequences It the two sequences are continued, what is the next number that is in BOTH the first and (3) the second sequences? [1