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notka56 [123]
3 years ago
15

How to do distributive property

Mathematics
1 answer:
enyata [817]3 years ago
4 0

Answer: 4x+20


Step-by-step explanation:

Take the number outside the parentheses, and multiply it by each number inside it, one at a time.

then you simply just combine them.


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Find the zeros of the polynomial function and state the multiplicity of each.
zheka24 [161]
\bf f(x) = 4(x + 7)^2(x - 7)^3\implies 0 = 4(x + 7)^2(x - 7)^3
\\\\\\
0=(x+7)^2(x-7)^3\implies 
\begin{cases}
0=(x+7)^7\\
\qquad 0=(x+7)(x+7)\\
\qquad -7=x\\
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----------\\
0=(x-7)^3\\
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\end{cases}

the -7 is found there twice, so it has a multiplicity of 2
the +7 is there thrice, so it has multiplicity of 3
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3 years ago
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Answer:

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2015 is 10 years after 2005, so this is C(10).

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The cost in 2015 will be $283.45.

The reference point is the year in which t = 0, so the year 2005.

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