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olejlund7838
29.10.2020 •
Mathematics
Which of the following possible rational roots is a root of the function f(x)=x^3-3x^2+5x-15? *
5 points
-3
-1
1
3
Solved
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Ответ:
Given:
The function is
To find:
The root of the function from the given possible roots.
Solution:
We have,
At x=-3,
At x=-1,
At x=1,
At x=3,
Since, the value of given function is 0 at only x=3, therefore 3 is a root of given function.
Hence, the correct option is D.
Ответ:
moderate negative correlation