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gizmo_the_mogwai [7]
3 years ago
7

Can someone help me answer this question please?

Mathematics
1 answer:
sweet-ann [11.9K]3 years ago
5 0

Answer:

A

Step-by-step explanation:

f(x) = (x + 3)(x + 2)(x - 3)

The three roots are going to give - 18 so only A and D can be correct. Why minus? because at some point 3 and 2 and - 3 will all be multiplied together. When they are, the result is - 18

So why did I write x + 2 rather than x - 2? Because the roots turn an equation into 0. You are looking for a way to make x + 2 = 0. It will do that when x = - 2

which is what you were given.

Now to get the answer

(x - 3)(x + 3) = x^2 - 9

(x^2 - 9)(x + 2) = x^3 + 2x^2 - 9x - 18 = f(x)

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The startup division made 80% of 1/2 of the established division. The startup division’s growth was 1/3 greater than the establi
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Answer:


Step-by-step explanation:

<u><em>First, let's create variables:</em></u>

<u><em>s = startup division</em></u>

<u><em>e = established divisioN</em></u>

<em>The startup division made 80% of 1/2 of the established division. </em>

<em>Let's take a look at what the above statement means: Making 80% of 1/2 means...</em>

<em>0.8 of 1/2 = 0.8*0.5 = 0.4 --> s = 0.4e.</em>

<em>Next: The startup division’s growth was 1/3 greater than the established division’s.</em>

<em>Seems like this is additional information is not needed.</em>

<em>If the divisions made 280,000 combined, how much did the startup division make?</em>

<em>s + e = 280,000 --> s = 280,000 - e, then we can substitude s = 0.4e for s --></em>

<em>280,000 - e = 0.4e --> 1.4e = 280,000 --> e = 200,000.</em>

<em>This means that s = </em><u><em>80,000.</em></u>

<u><em>MARK AS BRAINLEST PLZZZZZ</em></u>


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