2 years ago

Eight time the difference of a number and nice

Mathematics

1 answer:

kirza4 [7]2 years ago

7 0

Answer:

8 (x -9)

Step-by-step explanation:

I don't know if you ment 9 instead of 9, but if you did that that would be the answer!

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The slope f′(x) at each point (x,y) on a curve y=f(x) is given, along with a point (a,b) on the curve. Use this information to f

Montano1993 [528]

$f'(x)=\dfrac{4x}{1+7x^2}$

Integrating gives

$f(x)=\displaystyle\int\frac{4x}{1+7x^2}\,\mathrm dx$

To compute the integral, substitute $u=1+7x^2$ , so that $\frac27\,\mathrm du=4x\,\mathrm dx$ . Then

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Since $u=1+7x^2>0$ for all $x$ , we can drop the absolute value, so we end up with

$f(x)=\dfrac27\ln(1+7x^2)+C$

Given that $f(0)=10$ , we have

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so that

$\boxed{f(x)=\dfrac27\ln(1+7x^2)+10}$

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2 years ago

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Irina-Kira [14]

Answer:

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Step-by-step explanation:

I put it in a calculator about 10 times and this was the answer every time, sorry if it wasn't helpful

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Answer:

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