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zloy xaker [14]
3 years ago
6

The following set of ordered pairs of the form (x,y) lie on the graph of a function of x. {(0, -1), (1, 2), (2, 5), (3, 8)} Whic

h equation describes the function?
Mathematics
1 answer:
Vera_Pavlovna [14]3 years ago
5 0
We can assume that it is aline
y=mx+b
m=slope
b=yintercpt

if you have th epoints (x1,y1) and (x2,y2)
slope=(y2-y1)/(x2-x1)

pick any 2 points
(1,2) and (2,5)
slope=(5-2)/(2-1)=3/1=3

y=3x+b
solve for b
sub a points
(x,y)
(0,-1)
-1=3(0)+b
-1=0+b
-1=b

the equation is y=3x-1

or infunction form
f(x)=3x-1
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An estimated regression equation that was fit to estimate ductility in steel using its carbon content was found to be significan
AnnZ [28]

Answer:

At a level of 95%, it is expected that the interval [0.45; 11.59] contains the value of the ductility in steel when its carbon content is 0.5%.

Step-by-step explanation:

Hello!

Considering the dependent variable:

Y: Ductility in steel.

And the independent variable:

X: Carbon content of the steel.

The linear regression was estimated and a prediction interval was calculated.

The prediction interval is calculated to predict a value that the variable Y (response variable) can take for a given value of the variable X (predictor variable) in the definition range of the linear regression line. Symbolically [Y/X=x_{0}]

In this case 95% prediction interval for Y/X=0.5

At a level of 95%, it is expected that the interval [0.45; 11.59] contains the value of the ductility in steel when its carbon content is 0.5%.

I hope it helps!

6 0
3 years ago
What is the solution set of (x - 2)(x - 3) = 2?
Deffense [45]

Answer:

X = 4, 1

Step-by-step explanation:

Multiplying out

X^2 - 2x - 3x +6 = 2

X^2 - 5x +4 = 0

Factoring:

X^2 - 4x - X +4

X(x-4) - 1(x-4)

(x-1)(x-4)=0

X= 1, 4

8 0
3 years ago
Triangles ADE and ABC are similar. What is the value of
musickatia [10]

Answer:

x=4

Step-by-step explanation:

in image 1 /2

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4 0
2 years ago
What is the slope of (-3,0) and (2,7)
svetlana [45]

Answer:

7/5

Step-by-step explanation:

Ⓗⓘ ⓣⓗⓔⓡⓔ

Well, slope can be found using

y2-y2

x2-x1

So we just plug it in:

7-0

2+3

7/5 is your slope

(っ◔◡◔)っ ♥ Hope this helped! Have a great day! :) ♥

Please, please give brainliest, it would be greatly appreciated, I only need one more before I advance, thanks!

3 0
3 years ago
Read 2 more answers
Can you guys make a word problem for 4 ÷ ½ then answer it? Thanks!
denpristay [2]

Answer:

There are 4 people * 2.

Step-by-step explanation:

8

8 0
3 years ago
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