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3 July, 10:26

Find the zeros of the function.

f (x) = 9x3 - 45x2 + 36x

0, 1, and 4

-1 and - 4

1 and 4

0, - 1, and - 4

+2
Answers (2)
  1. 3 July, 11:13
    0
    Distribute the common terms out, and then factor the rest
  2. 3 July, 13:01
    0
    F (x) = 9x^3 - 45x^2 + 36x

    The zeros of f (x) are the values of x for which f (x) = 0

    9x^3 - 45x^2 + 36x = 0

    9x (x^2 - 5x + 4) = 0

    9x (x - 1) (x - 4) = 0

    x = 0, 1 and 4.
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