In the given series 2,5,3,6,8,4,9,6,8,1,5,1,6,8,7,5,6,2 ,7,5,3,6,8,3, 7,6,8,1,5,6,8

How many times the number '6' is followed by the number '8' but '8' should not be followed by '1'?

1c) the number 131 is a term in the sequence defined by the explicit rule f(n)=5n-4. which term in the sequence is 131? 2a) write the first four terms of the function f(n)=n^2-1 2b) what is the 10th term of the sequence defined by the explicit rule f(n)=n^2-1 2c) the number 224 is a term in the sequence defined by the explicit rule f(n)=n^2-1. which term in the sequence is 224?