Solve the Problem $f(x)=100 x+40,000$ Represents the Cost in Dollars a Company Has in Producing

Multiple Choice

Solve the problem.
-The mathematical model $f(x) =100 x+40,000$ represents the cost in dollars a company has in producing $x$ items during a month. Based on this, how much does it cost to produce 200 items? Interpret the question and answer using function notation.

A) $\$ 20,000 ; \mathrm{f}(200) =20,000$
B) $\$ 60,000 ; \mathrm{f}(200) =60,000$
C) $\$ 20,000 ; \mathrm{f}(20,000) =200$
D) $\$ 60,000 ; \mathrm{f}(60,000) =200$