To find: The commission variation of the salesperson.
Answer to Problem 112AYU
The salesperson’s commission ranges from to .
Explanation of Solution
Given that a used car salesperson is paid a commission of
Also given that the selling price will be at least owner’s cost plus and at most owner’s cost plus .
Let be the owner’s cost.
If the selling price is , then the excess amount is
If the selling price is , then the excess amount
∴ The salesperson’s commission ranges from to .
Chapter A.9 Solutions
Precalculus Enhanced with Graphing Utilities
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