At the end of a snow storm. Nolan saw there was a lot of snow on his front lawn. The temperature increased and the snow began to melt at a steady rate. The depth of snow on Nolan's lawn, in inches, can be modeled by the equation S-1.75t-11. where t is the time, in hours, after the snow stopped falling, What is the y-intercept of the equation and what is its interpretation in the context of the problem