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kodGreya [7K]
3 years ago
7

Xét sự đồng biến nghịch biến của hàm số sau y=x^3-3x /(-∞;-1)

Mathematics
1 answer:
beks73 [17]3 years ago
3 0
Jekisjskskskkskqkieiwoso
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Answer:

-4 and 9

Step-by-step explanation:

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(x - 9)(x + 4) = 0

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so  x = 9  or  x = -4

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What is 4.11 x 7.32 divided by 5
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\huge \text{Answer:-}

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6 0
3 years ago
If f(x)=-x+2, find f(4)
pickupchik [31]

Answer:

f(4)=-2

Step-by-step explanation:

f(4)=-4+2=-2

5 0
3 years ago
Juan is going to a school where tuition is $5,000 per year. He has a scholarship that pays 60% of his tuition. He has a grant fo
baherus [9]

Answer:

She now needs to borrow $4000

Step-by-step explanation:

Juan is going to a school where tuition is $5,000 per year. He has a scholarship that pays 60% of his tuition. He has a grant for $1,000 per year. How much will Juan need to borrow to pay tuition each year?

8 0
3 years ago
<img src="https://tex.z-dn.net/?f=3x%2B9%2B2x%3Dx-2x-3" id="TexFormula1" title="3x+9+2x=x-2x-3" alt="3x+9+2x=x-2x-3" align="absm
V125BC [204]

Answer:

Step-by-step explanation:

Equation

3x + 9 + 2x = x - 2x - 3              

Solution

Combine all the like terms.

3x+2x+9 =  x - 2x - 3

5x + 9 = -x - 3                            Add x to both sides of the equation

5x+x +9 = -x+x -3                      Combine

6x + 9 = - 3                                Subtract 9 from both sides of the equation

6x+9-9 = - 3-9                           Combine

6x = -12                                      Divide both sides by 6

6x/6 = -12/6

x = - 2

Answer x = - 2

3 0
2 years ago
Read 2 more answers
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