Several ordered pairs from a continuous exponential function are shown in the table. what are the domain and range of function?
A. the domain is the set of integers, and the range is y = 4.
B. the domain is the set of integers, and the range is y = 0.
C. the domain is the set of real numbers, and the range is y = 0.
D. the domain is the set of real numbers, and the range is y = 4.