Ahockey team tracks the total points scored by their team for several seasons. the equation of the line of best fit of the data is p=3t+43.5, where p is the total points earned during each season, t. which statement does best describe the slope of the graph of this equation?

a) the team scored 3 points during their first game.
b) the team started off the season with 43.5 points
c) every three seasons, the number of points scored during the season increased by one.
d)the number of points scored in a season increased by an average of 3 points each season.