Steven is starting a baseball hat printing business and plans on selling each hat for $20 with his cost being $8 per hat. the equipment will cost $800. steven orders 500 hats and determines that the profit for his new business is modeled by the function p = 12x-800. which of the following is the domain of this function in this situation? a). x ≥ 20 b). all real numbers c). {0 ≤ x ≤ 500} d). {0 ≥ x ≥ 500}