7. [-/1.66 Points] DETAILS MY NOTES PRACTICE ANOTHER The demand function for a particular brand of LCD TV is given by p = 3395 - 35x where p is the price per unit in dollars when x thousand television sets are sold. (a) Find the revenue function. Note that R(x) will be in terms of thousands of dollars. R(X) = (b) Determine the number of sets that must be sold in order to maximize the revenue. sets (c) To the nearest whole dollar, what is the maximum revenue? Note that R(x) is in terms of thousands of dollars. $ (d) To the nearest cent, what is the price per unit when the revenue is maximized? $1 per unit 8. [-/1.66 Points] DETAILS MY NOTES PRACTICE ANOTHER The cost, in millions of dollars, of building a three-story high school in New York State was estimated to be C(x) = 2.2 + 0.16x - 0.0001x2 (20