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Travka [436]
3 years ago
9

The graph of the function, f(x)=-2x^2+6x-3,opens up or down and has a minimum or maximum value.

Mathematics
1 answer:
Volgvan3 years ago
5 0

it opens down because before x^2 is -2 (if it would be 2, it would open up)...and function, which opens up has a maximum value every time

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1/2*(6*1+7)+11 show the result
fomenos
Well I got 17.5
You would start with                              6x1=6
Then you would add 7:                         6+7=13
Next you would multiply 13 by (1/2):    13(1/2)=6.5
Finally you would add 11 to 6.5:           6.5+11= 17.5
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miss Akunina [59]

Answer:

\huge\boxed{x\neq4\to x\in\mathbb{R}\backslash\{4\}}

Step-by-step explanation:

\dfrac{x-3}{2x-8}

We know: the denominator must be different than 0.

Therefore

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2x\neq8             <em>divide both sides by 2</em>

\dfrac{2x}{2}=\dfrac{8}{2}\\\\x\neq4

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234.A<br><br> 124/B<br><br> 136.B<br><br> 156.D
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Read 2 more answers
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