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jaslin113 jaslin113
  • 27-01-2017
  • Mathematics
Answered

Write a function for the situation. Is the graph continuous or discrete?



A movie store sells DVDs for $11 each. What is the cost, C, of n DVDs?

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Doyalikedagz
Doyalikedagz Doyalikedagz
  • 27-01-2017

Alrighty, so, 11n=C because n=DVDs time 11 per DVD equals the total cost!

Hope this helps! (:

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baseballboyg
baseballboyg baseballboyg
  • 27-01-2017

\(C=11n\)

The cost needs to be equal to the amount of DVDs * 11 since they are $11 each.  So if you had bought two:

\(C=2(11) = 22\)

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