How to determine the interpretation given to a y-intercept in a word problem

Question

Between the years 1960 and 1995, the worldwide consumption of bananas was increasing steadily. The number of trillions of bananas, y, purchased x years after 1960 was estimated by the linear equation

y = 3x + 5
      40    2

a) What interpretation can be given to the y-intercept of the graph?

Answer 1

y-intersept=5/2 tell yu yu sold bananas in yeer 0

wich is 1960

how much sold in 1960=5/2 trilyun bundels av bananas