10 PTS!!! PLEASE HELP ALGEBRA 1 MATHThe graph shows the temperature over a period of time of a chemical compound that is placed in a cold chamber. What is the domain of this function?Graph showing a line segment that goes from ordered pairs 0, 20 to 35, negative 10 A.The domain is all real numbers 20 through negative 10. B.The domain is all integers from 20 through negative 10. C.The domain is all real numbers 0 through 35. D.The domain is all integers from 0 through 35.