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kolbaska11 [484]
3 years ago
8

If the function 5x + y = 1 has the domain {-2, 1, 6}, then what is the corresponding range?A.

Mathematics
2 answers:
Dafna1 [17]3 years ago
8 0

Option B: is correct for PLATO

Step-by-step explanation:

{9,-6,-31}.

Ugo [173]3 years ago
4 0
B {9,-6,-31}.
ABC DEFG I really hope they don’t kill me
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Please I need help on this problem this assignment due tomorrow!!!!!!! be brainliest if help me
madreJ [45]

Answer:

don't click that guy's link it's a virus

I'm pretty sure the answer if 50% chance

Step-by-step explanation:

I just combined the probabilities because it's for both lights

hope it helps <3

6 0
3 years ago
Find the points at which the graph of 2x^2+2y^2- 20x +12y +3 = 0 has a vertical and horizontal tangent
____ [38]

Compute the derivative d<em>y</em>/d<em>x</em> and check where it is zero (for horizontal tangents) or undefined (for vertical tangents).

2<em>x</em>² + 2<em>y</em>² - 20<em>x</em> + 12<em>y</em> + 3 = 0

d/d<em>x</em> [2<em>x</em>² + 2<em>y</em>² - 20<em>x</em> + 12<em>y</em> + 3] = 0

4<em>x</em> + 4<em>y</em> d<em>y</em>/d<em>x</em> - 20 + 12 d<em>y</em>/d<em>x</em> = 0

(4<em>y</em> + 12) d<em>y</em>/d<em>x</em> = 20 - 4<em>x</em>

(<em>y</em> + 3) d<em>y</em>/d<em>x</em> = 5 - <em>x</em>

d<em>y</em>/d<em>x</em> = (5 - <em>x</em>) / (<em>y</em> + 3)

• Horizontal tangents:

d<em>y</em>/d<em>x</em> = 0   →   5 - <em>x</em> = 0   →   <em>x</em> = 5

Solve for <em>y</em> when <em>x</em> = 5 :

2•5² + 2<em>y</em>² - 20•5 + 12<em>y</em> + 3 = 0

2<em>y</em>² + 12<em>y</em> - 47 = 0

<em>y</em> = (-6 ± √(130))/2

So there are two horizontal tangents at the points

(5, (-6 - √(130))/2) and (5, (-6 + √(130))/2)

• Vertical tangents:

1/(d<em>y</em>/d<em>x</em>) = 0   →   <em>y</em> + 3 = 0   →   <em>y</em> = -3

Solve for <em>x</em> when <em>y</em> = -3 :

2<em>x</em>² + 2•(-3)² - 20<em>x</em> + 12•(-3) + 3 = 0

2<em>x</em>² - 20<em>x</em> - 15 = 0

<em>x</em> = (10 ± √(130))/2

So there are two vertical tangents at the points

((10 - √(130))/2, -3) and ((10 + √(130))/2, -3)

Alternatively, you can complete the square to identify the equation of a circle:

2<em>x</em>² + 2<em>y</em>² - 20<em>x</em> + 12<em>y</em> + 3 = 0

2 (<em>x</em>² - 10<em>x</em>) + 2 (<em>y</em>² + 6<em>y</em>) = -3

2 (<em>x</em>² - 10<em>x</em> + 25 - 25) + 2 (<em>y</em>² + 6<em>y</em> + 9 - 9) = -3

2 (<em>x</em> - 5)² - 50 + 2 (<em>y</em> + 3)² - 18 = -3

2 (<em>x</em> - 5)² + 2 (<em>y</em> + 3)² = 65

(<em>x</em> - 5)² + (<em>y</em> + 3)² = 65/2

which is a circle centered at (5, -3) with radius √(65/2). The horizontal tangents occur at the points where the <em>x</em> term vanishes (<em>x</em> = 5), and the vertical ones where <em>y</em> vanishes (<em>y</em> = -3).

6 0
3 years ago
a cheetah reaches a speed of 30 m/s as it chases its prey. What is the kinetic energy of the cheetah?
ZanzabumX [31]
Kinetic energy is in movement, so the answer is obviously the cheetah running :)
3 0
3 years ago
What is the perimeter of the figure shown on the coordinate plane? Graph with six connected points? Please Help
Sav [38]
The distance formula is derived from the Pythagorean Theorem because the length of one leg of the triangle will always be the difference of the x<span>-coordinates, and the length of the other leg will always be the difference in the </span>y<span>-coordinates</span>
3 0
3 years ago
What value of k will result in the quadratic having one rational solution if 4x2+kx+4=0?
PtichkaEL [24]

The value of 'k' in the quadratic Equation    4x^{2}+kx+4=0 having one rational solution is k is 8.

<h3>What is a Quadratic Equation?</h3>
  • Quadratic equations are the polynomial equations of degree 2 in one variable of the type f(x) = ax^{2} + bx + c = 0 where a, b, c, ∈ R and a ≠ 0.
  • The standard form of a quadratic equation is ax^{2} + bx + c = 0 .

Here, the given equation is  4x^{2}+kx+4=0

By comparing the given equation with the standard form of the quadratic equation we get,

a = 4

b = k

c = 4

The given quadratic is having one rational solution, which means b^{2} -4ac=0

Therefore,

k^{2} -4 \times 4\times4=0\\k^{2} -64=0\\k^{2} =64\\k=\sqrt{64} \\k=8

Therefore, the value of k is 8.

Learn more about the quadratic equation is brainly.com/question/8649555

#SPJ4

7 0
2 years ago
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