The function f(x) = 4x + 5,000 represents the amount of money a television is being sold for, where x is the number of televisions being manufactured.



The function g(x) = 20x − 500 represents the cost of production, where x is the number of televisions being manufactured.



What is (f − g)(100)? Explain.

a. $6.9K is the profit made from 100 TVs

b. $3.9K is the profit made from 100 TVs

c. $6.9K is the cost of manufacturing 100 TVs

d. $3.9K is the cost of manufacturing 100 TVs​