Question

3/11 points| Previous Answers The total revenue and total cost functions for manufacturing Items are: TR(g)-5q2+80q and TC(Q)-q3-12q2+60q+60, where q is measured in hundreds of Items and total revenue and total cost are given in hundreds of dollars (a) Determine the quantity at which marginal revenue is 68 dollars per Thing 12/10 hundred Items (b) Find the largest interval on which total revenue is increasing from q- 0 to q8 hundred Items (c) Find the largest interval on which profit is increasing from q=-11.894 X to q= 0 Xhundred Items (d) What is the largest value of total revenue? hundred dollars (e) What is the marginal revenue at the two quantities at which marginal cost is $39 per Item? MR at smaller quantity MR at larger quantity dollars per Item dollars per Item (f) At what quantity does the graph of marginal cost have a horizontal tangent line? (If no such quantity exists, type NONE in the answer blank.) hundred Items (g) At what quantity does the graph of total cost have a horizontal tangent line? (If no such quantity exists, type NONE in the answer blank.) hundred Items (h) True or false? The graph of total cost is always increasing True False

need help with c-h please!

Answer 1

c) from q=3 and q=6

d) 320 hundred dollars

e) smaller q = 1, MR= 70

Larger q=8, MR=560

f) None

g) None

h) True, which can be observed in graph