Royce bought a book for $12.49 and 2 dvds both dvds were the same price the tax on all the items is $1.76 he paid a total of $46
2 answers:
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Answer:
-1.39
Step-by-step explanation:
Revenue and cost as a function of units sold are and
respectively.
we are have to know for which value or input units are these functions at maximum which translates to for how many units is the revenue maximum and for how many same units is our cost minimum.