5. [l1 Points] 0/100 Submissions Used MY NOTES The daily cost (in dollars) of producing LG ultra high denition televisions is given by C(x) : 3x3 40x2 + 50x + 900 where X denotes the number of thousands of televisions produced in a day. Using the Marginal Average Cost function, E'(X), approximate the marginal average cost when 3000 televisions have been produced. 0 7132 O 7142 O 7117 O 7137 O 7122