What is h(x) = –3x2 – 6x + 5 written in vertex form?
1 answer:
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Answer:
Step-by-step explanation:
Given
Hannah had 30 dollars
Money spent on gift A
money spent on gift B
Money spent on gift C
The simplified expression is the one in option B.
<h3>How to simplify the expression?</h3>Remember that:
With these two, we can rewrite the numerator as:
Replacing that in the given expression, we have:
Now, if we multiply and divide by cos(-x), we get:
Now remember that:
With these two properties:
Then the correct option is B.
If you want to learn more about trigonometric identities:
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