5ze8ymygua 5ze8ymygua
  • 21-10-2022
  • Mathematics
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A submarine is currently 100-feet below sea level. The function
D(x) = 2x² - 10x - 100 models the depth below sea level, D, in feet, of the
submarine after a minutes have passed.
How many feet below sea level was the submarine at 4 minutes ?

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