Answer:
central-location telephone (CLT) facility
We are given with two functions: f(x) = 6x + 13 and g(x) = 4x + 18. We are given with h(x) which is associated with f(x) + g(x). The sum of 6x + 13 + 4x + 18 equal to 10x + 31 indicating Bob will make more money working alone or by teaming with Susie. The answer hence to this problem is C. h(x) = 10x + 31, team with Susie
The firms focus on improving marginal returns. Apart from this, they focus on specialization which increases the output. The amount of labor the firm plans to hire depends on the level of output it requires. The firm keeps adding new workers until output reaches its crest or peak.