Answer:
Domain: All Real Numbers
Range: All Integers
Explanation:
Integers are numbers positive and negative and 0 but cannot be partial numbers. Partial numbers are decimal or fractional numbers when most simplified.
Real numbers are positive and negative and 0 and can be partials, decimal numbers, fractions, radicals, anything considered a number.
The domain is all real numbers. Since the graph has lines that show between the grid lines, decimal numbers are included.
The range is all integers because there are only number on the grid lines. Real numbers would include all of the decimal numbers that not in the white spaces.