The marginal cost and revenue of a small business, in thousands of dollars per day, t days after its grand opening is given by C'(t) and R'(t) respectively. Which of the following is true about p>() c'() di None of the other answers are correct. This expression represents the change in profit of the business over the first 3 days after it opens. This expression represents the marginal profit of the business as a function of time. This expression represents the marginal profit of the business over the first 3 days after it opens. This expression represents the profit of the business as a function of time