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coopera1744
26.01.2021 •
Mathematics
Which of these is the standard form of the following function?
f(x) = -9(x + 5)2 + 4
f(x) = 9x2 − 90x − 221
f(x) = -9x2 − 90x − 221
f(x) = 9x2 − 180x + 221
f(x) = -9x2 − 180x − 221
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Ответ:
We conclude that the standard form of the given function is:
Hence, option B is correct.
Step-by-step explanation:
We know that the standard form of the quadratic function is of the form
Given the function
as (x+5)² = x² + 10x + 25
Expanding -9(x² + 10x + 25) = -9x² - 90x - 225
simplifying
Therefore, we conclude that the standard form of the given function is:
Hence, option B is correct.
Ответ:
Hope this helps!
Step-by-step explanation:
Ответ:
378,521,339-1,525 = 378,519,814, so 378,521,339-378,519,814 = 1,525 is your answer.