What’s a general equation of an arithmetic series

Algebra 1: unit 6 part 2 of test a) the table shows a linear function. x 0 1 2 3 5 13 21 29 37 45 53 (a) determine the difference of outputs of any two inputs that are 1 unit apart. show your work. (b) determine the difference of outputs of any two inputs that are 2 units apart. show your work.

Abank gives 6.5% interest per year. what is the growth factor b in this situation?

Iwant to know what 3g+5h+4g-2h is my teacher is too selfish to tell us