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Rashid [163]
3 years ago
12

Someone can help me Pleaseee

Mathematics
1 answer:
Morgarella [4.7K]3 years ago
8 0

Answer:

a. Compressed f toward the x-axis, and then translated it left 4 units.

Step-by-step explanation:

General equation for this is:

 y = a√(x - h) + k

  • a is how much it's being compress or stretched
  • h is how much it's shifted in the x-direction
  • k is how much it's being shifted in the y-direction

We're given:

g(x) = 1/2√(x + 4)

g(x) = 1/2√(x - (-4))

My a-value is 1/2, so the original function f(x) is being compressed by 1/2 toward the x-axis.

My h value is -4 so it's being shifted by 4 units. It's shifted to the left because it's negative.

There is not k-value so nothing is shifted in the y-direction.

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3 years ago
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Monica [59]

Answer:

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Step-by-step explanation:

When a circle is centered at the origin, the radius to point (a, b) will have slope m = b/a. The tangent is perpendicular to the radius, so the tangent at point (a, b) will have slope -a/b. In point-slope form, the equation of the tangent line will be ...

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Rearranging this to standard form, we have ...

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__

For (a, b) = (5, 4), the standard form equation of the tangent can be written ...

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Your given equation has an x-coefficient that is twice the value shown in this equation, so we need to multiply this equation by 2:

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Comparing to 10x +py = q, we see that ...

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4 0
2 years ago
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