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Tpy6a [65]
2 years ago
11

7th grade math - sales tax (please help)

Mathematics
1 answer:
arlik [135]2 years ago
6 0

Answer: $6.67

Step-by-step explanation: Divide 18 by 2.7 which would be $6.67.

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Which is the polynomial function of lowest degree
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Option D:

f(x) = x(x + 2)(x + 5)

Solution:

Given root of the polynomial functions are:

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If a is the root of the polynomial then the factor is (x –a).

So that, the factors of the given roots are:

(x –(–5)) = x + 5

(x –(–2)) = x + 2

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Polynomial = Product of the factors

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Switch the order of the factors.

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Option D is the correct answer.

The polynomial function of lowest degree is f(x) = x(x + 2)(x + 5).

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