Suppose the demand for digital video recorders (dvrs) is given by q = 250 - .25 p + 4 pc, where q is the quantity of dvrs demanded (in 1000s), p is the price of a dvr, and pc is the price of cable television. how much of a change in p must occur for q to increase by one?

Which is gerrymandering a problem for the house of representatives but not the senate? a.) members of the house are greatly influenced by their political parties. b.) senators serve longer terms than members of the house. c.) members of the house are more influenced by changes in public opinion. d.) senators are elected in statewide elections rather than in specific districts.