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Software Design Using C++

Review of Functions and Parameters

Answering the Question

You selected Answer D, shown below. This is a correct solution to this part of the problem. Note how it uses a reference parameter Cost in which to send back the answer. The ampersand indicates that this is a reference parameter. Note that Answer A is also a correct answer.

void CalculateCost(float Price, int NumPurchased, float & Cost)
   Cost = Price * NumPurchased;
   if (Cost > 80.0)
      Cost = Cost - 5.0;

Click on NEXT to work on rewriting the other function.

You can go back to the overall review listing: Review of Introductory Topics.

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Author: Br. David Carlson with contributions by Br. Isidore Minerd
Last updated: January 15, 2013