WILL MARK BRAINLIEST!! PLEASE BE QUICK!!

A computer manufacturer built a new facility for assembling computers. There were construction and new equipment costs. The company paid for these costs and made combined profits of $10 million after 4 years, as shown in the graph:


There is a graph of a line with Years on the x axis and Profits in millions on the y axis that passes through 0, negative 20 and 4, 10.


Which equation most closely represents the line depicted in the graph?


A. f(x) = −10x + 4

B. f(x) = 15/2x - 20

C. f(x) = 10x − 4

D. f(x) = 2/15x - 20


Please explain if you can, if not, that's fine, it's really late rn and I need to finish!