The equation y = x2 - 12x + 45 models the number of books y sold in a bookstore x days after an award-winning author appeared at

Question

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The equation y = x2 - 12x + 45 models the number of books y sold in a bookstore x days after an award-winning author appeared at

an autograph-signing reception. Use Desmos to answer your question.What was the minimum number of books sold? ___ booksHow many days after the autograph-signing reception did this "minimum" occur? ___ days

Mathematics

1 answer:

earnstyle [38] · Answer 1 · 2024-07-11T02:01:26+03:00

Answers:

9 books

6 days

Explanation:

The given equation is

y = x² - 12x + 45

So, the graph of this equation is

Then, the minimum point of the graph is (6, 9). It means that the minimum number of books sold was 9 books and it was 6 days after the autograph-signing reception

So, the answers are:

9 books

6 days