Concept explainers
The store “CDs R US” sells all compact discs for $13.99. The following equation represents the revenue, y, (in dollars) generated by selling x CDs.
a. Find y when
b. Find x when
c. Write the ordered pairs from parts (a) and (b), and interpret their meaning in the context of the problem.
d. Graph the ordered pairs and the line defined by the points.
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Beginning and Intermediate Algebra
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