The function C gives the production cost for a bakery to produce cakes of a certain type, where C(x) is the cost, in dollars, to produce x of the cakes. The function M defined by M(x)=C(x+1)−C(x) gives the marginal cost, in dollars, to produce cake number x+1. Which of the following gives the best estimate for the marginal cost, in dollars, to produce the 40th cake? A: c(39)/(39)
B: c(40)/(40) -c(39)/(39)
C: c'(39)
D: c'(40)-c'(39)

Which answer correctly lists the four main types of animal tissue?

Read this scenario: a group of immigrant farmworkers forms an interest group to argue for workers' rights in their state. they cannot afford an experienced lobbyist, however, and are unable to secure meetings with important lawmakers. which negative aspect of interest groups does the scenario illustrate? a. lacking power without funding b. supporting candidates who may not be the best choice for a position c. focusing only on group members' goals d. resorting to unethical tactics

Among the following environmental factors, which does not have a long-term impact on the composition of a region's soil? a. kinds of crops grown b. types of fungi present c. topography of the landscape d. variety of species of mammals e. number of freezes occurring annually