A company's weekly profit, in riyals, is modeled by the function P(u)=-0.032u^2+46u-3000. where u is the number of units sold each week.

Question

a) the maximum weekly profit. Answer: 13531.25 riyals
b) the loss for week's holiday period, where no units are sold .Answer:3000 riyals
c) the number of units sold each at break-even point for the company. Answer: 69 or 1369 units

Thank you so, so much for everything. Really thanks a lot!!!

Answer 1

your a) and b) are correct

in c) small detail,
my answer was 68.479.. which would round off to 68 , not 69
the other answer of 1369 is correct