Points: 0 of 1 An entrepreneur invests in a new play. The cost includes an overhead of $36,750 plus production costs of $1500 per performance. A sold-out performance brings in $2250. Assume every performance is sold out, and let x represent the number of sold-out perfo a. Write the cost function, C. C(x)=36750+1500x (Type an expression using x as the variable.) b. Write the revenue function, R. R(x)=(Type an expression using x as the variable.)