Let f(x) = 9x − 1 and g(x) = x3. Evaluate (g ∘ f)(0). A.
8

B.
−1

C.
1

D.
0

The john deere company has found that revenue,in dollars, from sales of heavy-duty tractors is a function of the unit price p, in dollars, that it charges. if therevenue r is r(p)= -1/2p^2 +1900pa)how much revenue will the company generate if they sell 700 tractors? b) how many tractors does the company want to sell to maximize the revenue?