Concept explainers
Sales. The following graph represents the sales, y, of a new video game after t weeks on the market.
a. In what open interval(s)
b. In what open interval(s)
c. In what open interval(s)
d. In what open interval(s)
e. Describe in works and graphically the difference in meaning between “sales are increasing” and “the rate of sales is increasing.
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