Question

The profit function p(x) of a tour operator is modeled by p(x) = −2x2 + 700x − 10000 where x is the average number of tours he arranges
per day. What is the range of the average number of tours he must arrange per day to earn a monthly profit of at least $50,000?
between 150 and 200, exclusive
more than 200
between 150 and 200, inclusive
less than 150

Answer 1

between 150 and 200, exclusive