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The effectiveness of a television commercial depends on how many times a viewer watches it. After some experiments an advertising agency found that if
The effectiveness of a television commercial depends on how many times a viewer watches it. After some experiments an advertising agency found that if the effectiveness E is measured on a scale of 0 to 10, the E(n) = - 84 where n is the number of times a viewer watches a given commercial. For a commercial to have maximum effectiveness, how many times should a viewer watch it? times
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Advanced Engineering Mathematics
Authors: Michael Greenberg
2nd Edition
133214311, 978-0133214314
