Chapter 1.4, Problem 7TE

To determine

(a)

To plot:

The graphs of the cost function and the revenue function in the viewing window $\left[0,6000\right]\times \left[0,60,000\right]$.

To determine

(b)

To find:

The break-even point using the viewing window $\left[0,6000\right]\times \left[-20,000,20,000\right]$.

To determine

(c)

To sketch:

The graph of the profit function and verify the result of part $\left(b\right)$ by finding the $x$-intercept.