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crazylogic5094
29.06.2019 •
Mathematics
If a person's temperature after x hours of strenuous exercise is t(x) = x3(7 − x2) + 98.6 degrees fahrenheit (for 0 ≤ x ≤ 2), find the rate of change of the temperature after 1 hour.
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Ответ:
See explanation below.
Step-by-step explanation:
Part A:
(i). They both correct because they could have a third degree polynomial that crosses the x-axis 3 times.
(ii). To find the zero's of the first one, set function equal to zero and use zero factor principle given as:
So, we have: