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Margarita [4]
2 years ago
14

ASP plz Look at the function y=2x=1 Dom f=(-2,-1,0,1,2)cR. Represent in a graph and find the Im f. Plz graphing it

Mathematics
1 answer:
astra-53 [7]2 years ago
4 0

Answer:

Step-by-step explanation:

What is "the lm f."?

do you mean y = 2x+1?

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Hi. I need help with these<br> See image for question<br> Answer no 8 ,9 and 10
Nezavi [6.7K]

Answer:

  • 8) 4 + 2q²/p² - 4r/p + r²/p²
  • 9) (3/4, -9/4)
  • 10) (3/8, 41/16)

Step-by-step explanation:

8. ============

Given

  • α and β are roots of px² + qx + r = 0

The sum of the roots is α + β = -q/p, the product of then roots αβ = r/p

  • (2 + α²)(2 + β²) =  
  • 4 + 2(α² + β²) + (αβ)² =
  • 4 + 2((α + β)² -2αβ) + (αβ)² =
  • 4 + 2((-q/p)² - 2r/p) + (r/p)² =
  • 4 + 2q²/p² - 4r/p + r²/p²

------------------------------

9. ============

<u>Given function</u>

  • y = 2x² - 3x - 1

The minimum point is reached at vertex

<u>The vertex is:</u>

  • x = -b/2a
  • x = -(-3)/2*2 = 3/4

<u>The corresponding y-coordinate is:</u>

  • y = 2(3/4)² - 3(3/4) - 1 = 9/8 - 9/4 - 1 = 1/8(9 - 18 - 9) = - 18/8 = - 9/4

<u>So the point is: </u>

  • (3/4, -9/4)

---------------

10. ============

<u>Given function</u>

  • y = 2 - 3x - 4x²

The maximum is reached at vertex

<u>The vertex is:</u>

  • x = -b/2a
  • x = -(-3)/2(-4) = -3/8

<u>The corresponding y-coordinate is:</u>

  • y = 2 - 3(-3/8) -4(-3/8)² = 2 + 9/8 - 9/16 = 1/16(32 + 18 - 9) = 41/16

<u>So the maximum point is:</u>

  • (3/8, 41/16)

4 0
2 years ago
The length of the hypotenuse is:<br> 0.<br> 1.<br> 2.<br> 4.
photoshop1234 [79]

divide the base by the sin of the opposite angle

 base = 2

opposite angle = 30 degrees

2/sin(30) = 4

 x = 4

7 0
2 years ago
There were 24 green jelly beans which made up 8%of all the jelly beans in the bag
Zanzabum
There are 300 jelly beans in the bag.


24÷6=4
4×2=8
5×2=10
5×6=30
30×10=300


Proof:
24/300 = ?/100
24×100=2400
2400÷300=8

Hope this helps! :)
6 0
3 years ago
Find the area of the polygon​
Evgesh-ka [11]

Answer:

784m^2

Step-by-step explanation:

is a rectangle with sides of 40m and 20m, in the upper right corner a right triangle has been removed with the legs of: 40 - 32 = 8m and 20 - 16 = 4m, we find the area of ​​the rectangle (b * h).

40 * 20 = 800m ^ 2, then we find the area of ​​the right triangle

1/2 b * h: 1/2 8 * 4 = 16 m ^ 2.

we remove the area of ​​the triangle from the rectangle and we have the area of ​​the figure: 800 - 16 = 784m^2

3 0
1 year ago
Zachary went to the store to buy some walnuts. The price per pound of the walnuts is
Katen [24]
The answer is 12.50 and equation is y=5.25p -3.25
5 0
2 years ago
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