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17-06-2020
Mathematics

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Determine the total number of roots of each polynomial function using the factored form.
f (x) = (x + 5)^3(x - 9)(x + 1)

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18-06-2020

Answer:

5

Step-by-step explanation:

When the factors are linear, as here, the total number of roots is the sum of the exponents of the factors:

3 + 1 + 1 = 5 . . . . sum of factor exponents

f(x) has 5 roots.

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