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Vinil7 [7]
3 years ago
11

Is f(x)=x(4-x)-2 a quadratic function? Explain.

Mathematics
1 answer:
Tanya [424]3 years ago
6 0
It expands to 
4x - x^2 - 2

Yes it is quadratic.
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Step-by-step explanation:

-17 < 3 - 5x

-3       -3     step 1: subtract 3 from both sides

-20 < -5x

/-5      /-5   step 2: divide both sides by 5

4 < x

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310

Step-by-step explanation:


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love history [14]

Answer:

. 50

Step-by-step explanation:

You would round to the closest number

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Use synthetic division find the product of ( 2x+3) and (x2-5x+6)​
alexgriva [62]

Answer:

8

x

3

+

2

x

2

−

3

x

+

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Explanation:

We have:

(

2

x

+

3

)

(

4

x

2

−

5

x

+

6

)

Now let's distribute this piece by piece:

(

2

x

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(

4

x

2

)

=

8

x

3

(

2

x

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(

−

5

x

)

=

−

10

x

2

(

2

x

)

(

6

)

=

12

x

(

3

)

(

4

x

2

)

=

12

x

2

(

3

)

(

−

5

x

)

=

−

15

x

(

3

)

(

6

)

=

18

And now we add them all up (I'm going to group terms in the adding):

8

x

3

−

10

x

2

+

12

x

2

+

12

x

−

15

x

+

18

And now simplify:

8

x

3

+

2

x

2

−

3

x

+

18

Step-by-step explanation:

6 0
3 years ago
A tap running 20ml a minute. How long to a fill a litre. In minutes please
zhannawk [14.2K]

Answer:

20ml in 1 minute. 1000ml is equal to 1 litre.

Step-by-step explanation:

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. 50 minutes will take to fill a litre

6 0
2 years ago
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