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mezya [45]
3 years ago
11

Are (-2,4), (2,4), (4,2), (-2,-4) a function?

Mathematics
1 answer:
lions [1.4K]3 years ago
3 0

Answer:

Yes

Step-by-step explanation:

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Solve xy - 3 = k solve for x
ladessa [460]

Answer:

x=(k+3)/y

Step-by-step explanation

First, we simplify by adding 3 to both sides of the equation

xy-3+3=k+3

Now it's xy=k+3

To get x we divide both sides by y

So x=(k+3)/y

3 0
3 years ago
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Can someone help me please<br><br> answer it i will give u the brainliest
VLD [36.1K]

Answer:

1. 1/1/5

2.1/3

3.3/10

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4 0
2 years ago
Determine the graph of the polar equation r=4/(1-1/2cosx(theta))
crimeas [40]

Answer:

  see below

Step-by-step explanation:

We assume you want the graph of ...

  r=\dfrac{4}{1-\frac{1}{2}\cos{(\theta)}}

A graphing calculator or spreadsheet is useful for this.

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You know cos(θ) = cos(-θ), so the graph is symmetrical about the x-axis. You can evaluate the function at a few points to find the general outline.

  r at 0° = 8

  r at 30° ≈ 7.05

  r at 45° ≈ 6.19

  r at 60° ≈ 5.33

  r at 90° = 4

  r at 120° = 3.2

  r at 135° ≈ 2.96

  r at 150° ≈ 2.79

  r at 180° ≈ 2.67

6 0
3 years ago
Adam is climbing up the stairs in a building. At a certain point, Adam starts counting the steps and when he reaches the last st
Ksivusya [100]

Answer:

He climed 3 steps before he started counting the steps.

Step-by-step explanation:

pls mark me as a branliest

5 0
3 years ago
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The line passes through the point (-2,-5) and has a slope of -3.
JulsSmile [24]

Answer:

y = - 3x  -11

Step-by-step explanation:

(x₁ , y₁) = (-2 , -5)   & m = -3

y - y₁ = m (x - x₁)

y - [-5] = (-3)(x -[-2])

y + 5   = (-3)(x + 2)

y + 5  = -3x - 6

      y = -3x - 6 - 5

      y = - 3x  -11

4 0
2 years ago
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