The graph shows the temperature 7, in degrees Fahrenheit, of molten glass t seconds after it is removed from a 76 (0, 1500) (a) Find lim T- +017 F What does this limit represent? O This is the natural temperature of glass. O This is the initial rate at which the glass is cooling. O This is the temperature of the kiln. This is the temperature of the room. (b) Find lim T. 818 F What does this limit represent? O This is the natural temperature of glass. O This is the initial rate at which the glass is cooling. O This is the temperature of the kiln.