What is a reasonable estimate of the - 3 4/5+(-5.25) and the actual value?

Plz help plz give me the answer

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

Solve 2^x=32 and rewrite this equation in a logarithmic form