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iVinArrow [24]
3 years ago
7

Use technology to construct an appropriate model of the data. (0,1), (1,-2), (2,-3), (3,-2), (4,1) f(x) = – x2 + 4 f(x) = x2 - 4

f(x) = - x2 + 4x - 1 f(x) = x2 - 4x + 1

Mathematics
2 answers:
Nadusha1986 [10]3 years ago
8 0
The tool I used for modellin is MS Excel. As you on the left side of the picture, I tabulate the x and y coordinates with respect to their columns. Then, I plotted it using the scatter plot graph. In this type of graph, only plots are drawn on the Cartesian plane. Next, I created a trendline as represented by the blue dashed line. There are options to the degree of your trendline: linear, polynomial or exponential. The closes fit is the polynomial with a degree of 2. An option is listed there in displaying the equation. The equation modelled by regression through data fitting is:
y = x² - 4x+1

OleMash [197]3 years ago
7 0

Answer:f(x)=-x^2+4x this is the real answer on odyssey

Step-by-step explanation:

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Rudiy27

The solution is in the attached file

5 0
2 years ago
Given the venn diagram, find P(brother and sister)
LUCKY_DIMON [66]

Based on the venn diagram of siblings, the probability of having a brother and sister is c. 0.33.

<h3>What is the probability of brother and sister?</h3>

The probability of having a brother and sister can be found as:

= Number of those with brother and sister / Total number of people in poll

Solving gives:

= 10 / (8 + 10 + 5 + 7)

= 10 / 30

= 0.33

In conclusion, the probability of having a brother and sister is 0.33.

Find out more on Venn diagrams at brainly.com/question/9085273

#SPJ1

6 0
2 years ago
There are several sets of different numbers which can be chosen from {0,1,2,3,4,5,6,7,8,9}. How many of these sets contain any 2
Leokris [45]

Answer:

90

Step-by-step explanation:

it is 90 because in the first slot there can be any 10 numbers and in the second slot the set can contain any of the remaining 9 numbers and then we can multiply these two numbers together to find the total amount of sets.

hope this helps :)

4 0
3 years ago
Read 2 more answers
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3 0
2 years ago
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6. Middle school class representatives conducted a poll during lunch to see which activity students wanted for their year-end pa
Tanya [424]

Answer:

a) roller skating is 54 percent.....slides is only 46 percent

b) 8 th graders who want water slide = .14 / ( .14 + .06) = 70 percent

c) yes   higher grade, higher want water slide

d) water slides  ( see answer c )

Step-by-step explanation:

Hope this helps! (:

8 0
2 years ago
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