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Zarrin [17]
3 years ago
10

I really need help with this pls help me

Mathematics
2 answers:
nexus9112 [7]3 years ago
7 0

9514 1404 393

Answer:

  (a)  -2

Step-by-step explanation:

Put -1 where x is and do the arithmetic.

  f(x) = x³ +2x² -3

  f(-1) = (-1)³ +2(-1)² -3

  f(-1) = -1 +2 -3 = 1 -3

  f(-1) = -2

Agata [3.3K]3 years ago
6 0
I think it is the first one -2
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2/3A=-24 <br><br> this the last one that I need help on.
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You can answer this question in numerous ways but one simple way is by multiplying fractions. 

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<span>To get the answer, you must multiply 2/3 by 24/1 </span>

<span>To do this, you multiply the numerator (the top number) by the other numerator. That is, 2 x 24 . The answer is 48. </span>

<span>Then, multiply the denominators (the bottom numbers) by each other. That is, 3 x 1. The answer is 3. </span>

<span>The answer is 48/3. But you must continue simplifying. </span>

<span>What is 48 divided by 3? 16. </span>

<span>If you do not understand it that way, think of it in a simpler way. </span>

<span>Say there are 24 slices of pieces. </span>

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<span>Now you want TWO thirds. So all you do is multiply 8 by 2. </span>

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I hope i helped, and, if so, please mark as brainliest :P
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Have a super awesome day!

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