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liq [111]
3 years ago
8

Select the correct answer.

Mathematics
1 answer:
san4es73 [151]3 years ago
6 0

Answer:

B

Step-by-step explanation:

Is the answer

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Find the average value of the function over the given interval. (Round your answer to three decimal places.) f(x) = −sin x, [0,
deff fn [24]

Answer with Step-by-step explanation:

We are given that

f(x)=-sin x

[0,\infty]]

Average value of the function is given gy

f_{avg}=\frac{1}{b-a}\int_{a}^{b}f(x)dx=\frac{1}{\pi-0}\int_{0}^{\pi}-sinx dx

f_{avg}=\frac{1}{\pi}[cosx]^{\pi}_{0}

Using the formula

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f_{avg}=\frac{1}{\pi}(cos\pi-cos0)

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f(x)=f_{avg}

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3 years ago
What equation represents the parabola with focus (-1,4) and directrix y= -2
Llana [10]

Answer:

Hello

y=(x+1)/12 +1

Step-by-step explanation:

\text{As the directrice is horizontal:}\\\\\\y=-2 ==> k=-2\\\\Focus=(a,b)=(-1,4)\\\\\boxed{y=\dfrac{x-a}{2(b-k)} +\dfrac{b+k}{2} }\\\\\\y=\dfrac{x+1}{2(4+2)} +\dfrac{4-2}{2} }\\\\\boxed{y=\dfrac{x+1}{12} +1}\\

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3 years ago
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