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trasher [3.6K]
3 years ago
10

Evaluate the function below for x = 3 F(x) = 2x2 - 4x +7

Mathematics
1 answer:
Nezavi [6.7K]3 years ago
3 0
The answer is 7. So you would do
2(3)2=12
4(3)=12
12-12=0
0+7
7
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GIVING BRAINIEST IF CORRECT!!<br><br> Factor x^4 - 16 completely
ioda

Answer:

(x^2 + 4)(x + 2)(x - 2)

Step-by-step explanation:

Hello!

We can use the difference of square method.

<h2>Difference Of Squares (DOS)</h2>

The formula for the DOS is (a + b)(a - b) = a^2 - b^2

It is a simple way to factor polynomials.

The criteria:

  • Has to begin and end with a perfect square
  • The operation has to be subtraction

<h3>Factor:</h3>
  • x^4 - 16

Begins with a perfect square (x² * x²) and ends with a perfect square (4 * 4)

  • (x^2 + 4)(x^2 - 4)

Warning! Watch out, there may be another DOS!

x^2 - 4 is another DOS

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The x² + 4 is not a DOS because the operation is addition.

The final factored form is (x^2 + 4)(x + 2)(x - 2)

8 0
1 year ago
What number times itself equals 196?
leonid [27]
 <span>number times itself equals 196 
</span>
= n * n = 196

14 * 14 = 196 


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Formula
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Apply Formula
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