Question

C={1,6,11,16,21,26,31,36} write in set builder form

Answer 1

Answer:

In order to put something in sigma notation, you have to know the pattern for the series, i.e. what each term is with respect to its position in the series. In this case, the series starts with 1 and increases by 5 each term up to 7 terms which gives the following series: