What is the domain and range of the function graphed below?

A. Domain: 2≤x≤10
Range: 1≤y≤3

B. Domain: all real numbers
Range: all real numbers

C. Domain: 1≤y≤3
Range: 2≤x≤10

D. Domain: 2≤y≤10
Range: 1≤x≤3