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iris [78.8K]
3 years ago
6

7-x what does it equal.

Mathematics
1 answer:
kupik [55]3 years ago
5 0

Answer: =-x+7

Step-by-step explanation:

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vaieri [72.5K]

y + 2x < 4x - 3     <em>subtract 2x from both sides</em>

y < 2x - 3

y = 2x - 3

for x = 0 → y = 2(0) - 3 = 0 - 3 = -3 → (0, -3)

for x = 2 → y = 2(2) - 3 = 4 - 3 = 1 → (2, 1)

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erastovalidia [21]

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Step-by-step explanation:

We know the property of derivative: \dfrac{d}{dx}(\log (x))=\dfrac{1}{x}

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Differentiate both sides with respect to x , we get

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\Rightarrow\ \dfrac{dy}{dx}=\dfrac{1}{3 + x^2}\cdot(0+2x)

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Hence, the derivative of the given function is \dfrac{2x}{3 + x^2} .

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