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elena-s [515]
3 years ago
13

the function of y= x^2 - 4x + 8 approximates the height y, of a bird and its horizontal distance, x as it flies from one fence p

ost to another all distances are in feet complete the square to find and interpret the extreme value vertex
Mathematics
2 answers:
Vika [28.1K]3 years ago
7 0
Rewrite the given equation as 
y=x^2-4x+8=x^2-4x+4+4=(x-2)^2+4.
Since (x-2)^2\ge 0, you can conclude that the imimum value of y will be gained for the minimum value of (x-2)^2. The minimum value of (x-2)^2 is 0 for x=2. 
So, y(2)=0+4=4.
Answer: minimum value of y is 4, when x=2.


kogti [31]3 years ago
5 0

Answer:

Minimum at (2,4)

Step-by-step explanation:

Apex Verified,

I think the interpretation is straightforward from there.

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valentinak56 [21]
The correct answer is B. 45°
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∠EFG and ∠LMN are supplementary angles, m∠EFG=(3x+17)º, and m∠LMN=(12x−5)º.
Ira Lisetskai [31]

Answer:

EFG = 50.6, LMN = 129.4

Step-by-step explanation:

ok so s supplementary angles mean, their angles will always add upto 180. for example if one angle is 100° then the other will be 80°.

to find the angles first we need to solve for x.

we know EFG + LMN = 180 because its supplementary.

that's is (3x+17) + (12x-5) = 180.

we now solve for x;

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15x = 168, x= 168/15 = 11.2

now that we know x we can put this value in the corresponding equation of EFG and LMN to find the angles.

EFG = 3x11.2 + 17 = 50.6

LMN = 12x11.2 - 5 = 129.4

7 0
3 years ago
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Vikki [24]

Answer:

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Step-by-step explanation:

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leonid [27]

Answer:

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Step-by-step explanation:

To complete the square

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Step-by-step explanation:

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3 years ago
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