The number of men and women receiving​ bachelor's degrees each year has been steadily increasing. For the years 1970 through the projection of​ 2014, the number of men receiving degrees​ (in thousands) is given by the equation y equals 3.9 x plus 442y=3.9x 442​, and for​ women, the equation is y equals 14.2 x plus 315y=14.2x 315​, where x is the number of years after 1970.