Chapter 13.8, Problem 25E

To determine

To calculate: The average total cost for the production of $x=30\text{ to }x=33$ items using Trapezoidal Rule with $n=3$ if a company’s total cost (in dollars) of producing x items is given by $C\left(x\right)={\left(x^2+1\right)}^{\frac{3}{2}}+1000$.