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Ahat [919]
3 years ago
12

If m ≤ f(x) ≤ M for a ≤ x ≤ b, where m is the absolute minimum and M is the absolute maximum of f on the interval [a, b], then m

(b − a) ≤ b f(x) dx a ≤ M(b − a). Use this property to estimate the value of the integral. 1 0 x3 dx
Mathematics
1 answer:
pav-90 [236]3 years ago
6 0

Answer:

m = 1.5

M = 3

Step-by-step explanation:

According to the situation, the solution is as follows

Here we need to determine the maximum and minimum of

f(x) = \frac{3}{1 + x^2}\ on\ 0,1

Now we have to differentiate it

f(x)' = \frac{(1 + x^2) \times 0 - 3\times 2x }{(1 + x^2)^2} \\\\ = \frac{-6x}{(1 + x^2)^2}

Now the points i.e x = 0 and x =1 could be tested

f(0) = \frac{3}{1 + 0}

= 3

f(1) = \frac{3}{1 + 1}

= 1.5

So,

m = 1.5

M = 3

By applying the differentiation we could easily estimate the value of the integral and the same is to be shown above

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24 ft

Step-by-step explanation:

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7^2 + b^2 = 25^2

7^2 - 25^2 = -b^2

49 - 625 = -b^2

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the volume of a gas varies inversely as the pressure upon it. if the volume of the gas is 160 cubic centimeters at a pressure of
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To change it to an equality, we introduce a proportionality constant, k. We do as follows:

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hopefully this helps :)

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3 years ago
The area of a square is 49 square meters. How long is each side?
Artemon [7]

A square has 4 equal sides, which means when you need to work out the area, you're doing length × width, but the length and width are exactly the same, because it's a square (look at the picture if you don't understand this).

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Therefore, if the area is equal to x², and in this question, it's also equal to 49 (as stated in the question), we can equate them to each other:

x² = 49

Now to get the x by itself, we need to do the opposite of squaring, which is square rooting. Therefore, we square root both sides of the equation:

√x² = √49

The √ and the ² cancel out, so you're just left with x:

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The square root of 49 is just 7, so we can replace √49 with 7, and we get:

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Now remember, earlier, I called x the value of one side. Therefore, by remembering that, you know that the value of one side is equal to 7. And because all the sides are the same as each other, each side is equal to 7 metres.

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3 years ago
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