Please help it's greatly apprecatied

Find the third,fifth and seventh term sequence described by each rule a(n)=n+1

The scatter plot graph shows the average annual income for a certain profession based on the number of years of experience which of the following is most likely to be the equation of the trend line for this set of data? a. i=5350e +37100 b. i=5350e-37100 c. i=5350e d. e=5350e+37100

What adds to be the bottom number but also multiplies to be the top number with 8 on the bottom and 15 on top