What is the equation for the following graph?

Can somebody 1. what is the formula for finding the vertical distance between two points on a coordinate plane?

Aubrey read 29 books and eli read 52 books what number is equal to the number of books aubrey read?

The equation represents the function f, and the graph represents the function g. f(x)=3(5/2)^x determine the relationship between the growth factors of f and g. a. the growth factor of g is twice the growth factor of f. b. the growth factor of f is twice the growth factor of g. c. the growth factor of f is 2.5 times the growth factor of g. d. the growth factor of f is the same as the growth factor of g.