Concept explainers
Profit The monthly profit P for a widget producer is a function of the number n of widgets sold. The formula is
Here P is measured in thousands of dollars, n is measured in thousands of widgets, and the formula is vallid up to a level of 15 thousand widgets sold.
a. Make a graph of P versus n.
b. Calculate P(1) and explain in practical terms what your answer means.
c. Is the graph concave up or concave down? Explain in practical terms what this means.
d. The break-even point is the sales level at which the profit is 0. Find the break-even point for this widget producer.
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