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valentinak56 [21]
3 years ago
8

F(x)=x^3-x^2-10x-8 ; x+1​

Mathematics
1 answer:
SCORPION-xisa [38]3 years ago
7 0

Answer:

i think it's f=x2−x−10

Step-by-step explanation:

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The growth of 100 young trees near a river is given below. At most 50 yards from the river (Event Y) More than 50 yards from the
Alona [7]

Answer:

It is 91% more likely that the tree was atmost 500 yards from the river.

<h3>Step-by-step explanation:</h3>

We are given with distance and height of 100 young trees near a river.

From that table, in total there are 55 trees which grow more than 3 ft during the year.

And among those 55 trees, 50 trees are atmost 50 yards from river.

Hence it is ≈91% more likely that the tree was atmost 50 yards from the river.

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3 years ago
Inverse for f(x)=1/2x+3
Semenov [28]

Answer: f^{-1}(x)=2x-6

Step-by-step explanation:

To find the inverse, we want to switch the y with x and x with y. Once we do that, we solve for y.

y=\frac{1}{2}x+3        [switch x and y]

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x-3=\frac{1}{2} y        [multiply both sides by 2]

y=2x-6

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3 0
3 years ago
Read 2 more answers
How do you determine the intercepts from an equation or graph
sukhopar [10]
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3 0
3 years ago
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A small independent organic food store offers a variety of specialty coffees. To determine whether price has an impact on sales,
lorasvet [3.4K]

Answer:

b= -4.68

Step-by-step explanation:

Hello!

We have to study variables:

Y: Monthly coffe sales

X: Price per pound of coffe ($)

The estimate regression line is

^Yi= a + bxi ∀ (i=1,.....,10)

The slope of the estimated regression line is represented by b.

The formula I'll use to calculate it is:

b= [n∑xiyi -(∑xi)*(∑yi)]/ n∑xi²-(∑xi)²

To calculate b we need to do some auxiliary calculations:

∑xiyi= 4213.15

∑xi= 87.47

∑yi= 545

∑xi²= 883.3703

Then we replace the formula:

b= [10*4213.15-(87.47)*(545)]/ n883.3703-(87.47)²

b= -4.68

I hope you have a SUPER day!

5 0
3 years ago
One serving of tortilla soup is 1 2/3 cups. A restaurant cook makes 50 cups
maw [93]
No there is not. 50 divided by 1 2/3 gives you 30 which means it can’t create 35 servings.
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3 years ago
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