A company uses the function f(x) = 20x - 500 to calculate profit or loss, where x is the number of products sold. What is the most
appropriate domain of the function?
A. all integers
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B. all real numbers
C. all whole numbers
D. all rational numbers

Desmond wants to sell his car that he paid $8,000 for 2 years ago. the car depreciated, or decreased in value, at a constant rate each month over a 2-year period. if x represents the monthly depreciation amount, which expression shows how much desmond can sell his car for today? \ 8,000 + 24x 8,000 - 24x 8,000 + 2x 8,000 - 2x